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1. Which obeys the law of triads                                                                                           
A) Cl, Br, I                B) H, O, N                 C) Na, Ne, Ca                 D) Cl, O, Br

2. Identify the Dobereiner triad among the following                                                       
A) F, Cl, Br               B) Ne, Ar, Kr            C) Li, Na, K                    D) S, Sr, Ba

3. Ca, Sr, Ba are example for                                                                                                 
A) Transitional triads               B) Newland triads               C) Dobereiner triad               D) None

4. The law of octaves was proposed by                                                                                
A) Mendeleev          B) Dobereiner           C) Moseley                    D) Newland

5. The atomic weights and the properties of atoms are related with each other, it was first proposed by                                                                                                                              
A) Mendeleev         B) Dobereiner            C) Moseley                   D) Newland

6. Eka Aluminium is                                                                                                                  
A) Ga               B) Se              C) In              D) Ti

7. Modern periodic law was introduced by                                                                            
A) Mendeleev               B) Moseley                C) Dobereiner               D) Newland

8. The properties of elements in the periodic function of their atomic numbers. It is called as                                                                                                                                                
A) Modern Periodic Law          B) Law of triads               C) Octet Rule               D) Mendeleev's law

9. The atomic number of an element is a more fundamental property of an atom than the atomic weight. It was first proposed by                                                                                             
A) Moseley               B) Newland               C) Mendeleev               D) Dobereiner

10. The basis of the long form of the periodic table is                                                         
A) Atomic weight               B) Atomic number               C) Electronic configuration               D) None

11. How many groups are there in the long form of the periodic table is
A) 8               B) 10               C) 18               D) 19

12. Number of elements present in period I of the long form of periodic table                   
A) 2          B) 8          C) 18          D) 12

13. Number of elements in period 4 of the long form of periodic table                                 
A) 2          B) 8          C) 18          D) 32

14. In long form of the periodic table the period with more number of elements is           
A) 3          B)1           C) 6             D) 7

15. The classification of elements into four blocks in the modern periodic table is based on  
A) Atomic number                                                            B) Atomic weight        
C) Electronic configuration in the outermost shell           D) Atomic radius

16. 1s2 2s2 2p5 electronic configuration element belongs to                                                  
A) s - block          B) p - block          C) d - block          D) f - block

17. The pair of atomic numbers which belongs to the p - block elements                            
A) 3, 5    B) 11, 12     C) 7, 8        D) 12, 13

18. 1s2 2s2 2p6 electronic configuration element is                                                  
A) Alkali metal             B) Alkaline earth metal             C) Lanthanides             D) inert gas


19. Lanthanides and Actinides are called as                                                               
A) Representive elements             B) s - block elements            
C) Transition elements                  D) Inter transition elements


20. Which of the below property decreases in a period                                           
A) Ionization energy             B) Electro negativity            
C) Electro positivity              D) Electron affinity

21. The order of the electron affinity of halogens is                                                 

A) Cl > F > Br > I         B) F > Cl > Br > I                  C) I > Br > Cl > F            D) Br > F > Cl > I

22. In halogen family, the electron gain enthalpy is highest for                             
A) F                               B) Cl                                        C) Br                                   D) I

23. If 2, 8, 1 and 2, 8, 7 electronic configuration of X and Y elements combined and forms a molecule then the formula of molecule is
A) X2Y             B) XY2              C) XY3              D) XY

24. The electronic configuration of X and Y are 1s2 2s2 2p6 3s2 and 1s2 2s2 2p5 respectively then the formula of the compound likely to be formed between them is                                
A) X2Y6            B) XY2             C) X2Y             D) XY

25. Noble gases belongs to ..... group of periodic table.                                                        
A) 18             B) 17             C) 16             D) 10

26. The incomplete period of the periodic table is                                                                
A) 1               B) 2              C) 6                D) 7

27. The valency of inert gas is                                                                                                   
A) 2               B) 8              C) 0               D) 1

28. Which of the following decreases in a group from top to bottom?                               
A) Atomic size                         B) Metallic nature               
C) Electro positivity               D) Electro negativity

29. The period which contains s, p, d block elements                                                          
A) 2nd              B) 3rd              C) 4th                 D) 1st

30. Lightest metal among the following                                                                             
A) Na                             B) Mg                         C) Be                                D) Ca

31. The elements with atomic number 90 to 103 are called                                               
A) Lanthanides            B) Actinides               C) Alkali metals              D) Alkaline earth metals

32. The elements with atomic number 58 to 71 are called                                             
A) Lanthanides            B) Actinides               C) Alkali metals              D) Alkaline earth metals

33. The element having a ns2 np5 outermost electron configuration is called                
A) Inert gas                   B) Halogen                 C) Alkali metal               D) Transition element

34. Which one of the following is not a Dobereiner triad                                                    
A) Li, Na, K                   B) S, Se, Te                C) Cl, Br, I                       D) C, N, O

35. Eka boron predicted by Mendeleev is                                                                              
A) Gallium                    B) Scandium              C) Germanium                D) Tellurium

36. Which one of the following is not alkaline earth metal                                                 
A) Ge                             B) Ca                           C) Sr                                 D) Ba

37. Elements of this group in the modern periodic table possess highest electro positive character                                        A) IA                 B) IIA                 C) VIIA                 D) VIIIA

38. The element of Nitrogen belongs to this group in the modern periodic table         
A) IIIA             B) IVA                 C) VA                    D) VIA

39. The element having the smallest atomic radius is                                                    
A) H2                B) He                   C) Li                      D) Be

40. In a long form of periodic table, the block which consists of non - metals is         
A) s                   B) p                       C) d                       D) f

41. Elements belong to the 3rd period are arranged left to right Na, Mg, Al, Si, P, Cl which element among these has highest Ionisation energy                                                       
A) Na                B) P                      C) S                        D) Cl

42. Which of the following groups consists of Halogen family                                         
A) VA Group                  B) VIA Group         C) VIIA Group                       D) Zero Group

43. Metallic Nature in periods from left to right                                                                       
A) Decreasing                  B) Increasing         C) Increase to Decrease        D) None of these

44. An element X formed an oxide X2O5. X belongs to which group in the periodic table  
A) 3                                   B) 4                          C) 5                                          D) 6

45. In the atomic numbers of the elements 2, 3, 10, 11, 18, 19, 26, 27, 36 and 37. The elements of the alkali metal group are                                                                                                             
A) 3, 11, 19, 27                B) 3, 11, 19, 37        C) 2, 11, 18, 36                       D) 2, 10, 18, 26

46. The alkaline earth elements in the atomic numbers 3, 4, 10, 11, 12, 18, 20, 37, 38 are 
A) 4, 12, 20, 38               B) 3, 11, 19, 37        C) 3, 4, 10, 27                         D) 3, 11, 19, 27

47. The first group elements are called                                                                                     
A) Alkali metals              B) Alkaline earth metals             C) Halogens                 D) Noble gas

48. Element with atomic number 15 and mass number 31 is present in                                
A) Group 15 and period 4          B) Group 15 and period 3             
C) Group 5 and period 3            D) Group 5 and period 4

49. The total number of elements in VII Group of the periodic table is                            
A) 6                      B) 7                               C) 4                                       D) 5

50. On moving from left to right across a period in the table the metallic character      
A) Increases                        B) Decreases             
C) Remains constant         D) First increases and then decreases

51. Which one of the following does not change from top to bottom in a group of a periodic table   
A) Atomic size    B) Metallic nature     C) Electronegativity              D) Valence electrons

52. From top to bottom in a group of periodic table the electro positive character of the element
A) Increases       B) Decreases               C) Remain unchanged         D) Changes irregularly

53. Ionization Energy increases with                                                                                     
A) Increases in nuclear charge            B) Decreases in nuclear charge   
C) Increases in atomic size                   D) A and C

54. Which of the following reason corresponds to decrease in I.E. value from top to bottom in a group                                A) Decrease in screening effect        B) Decrease in nuclear charge           
C) Increase in atomic number         D) Increase in screening effect

55. Ionization energy measured in                                                                                            
A) Dynes                        B) Centimetres           C) k.j./Mole                    D) Watts

56. As we move from left to right in a period electronegativity value                                
A) Decreases                 B) Increases               
C) Remains same         D) Does not following regular trend

57. The ascending order of I.E. can be represented as                                                           
A) IE1 > IE> IE3       B) IE1 < IE2 < IE3      C) IE< IE< IE1          D) IE< IE3 < IE2

58. Which of the following sets of atomic masses do not correspond to Dobereiner triad 
A) 37, 78, 125               B) 55, 52, 56                C) 7, 23, 39                      D) 47, 91, 173

59. The Elements with atomic numbers 2, 10, 18, 36, 54 and 86 are all                           
A) Halogens                  B) Noble gases             C) Chalcogens                 D) Alkali metals

60. In the modern periodic table one of the following does not have appropriation position 
A) Inert gases          B) Transition elements         C) Halogens     D) Inner transition elements

61. In an atom, the order of the piercing power of the orbitals towards the nucleus is         
A) 4s > 4p > 4d > 4f        B) 4s < 4p < 4d < 4f     C) 4s < 4p > 3d > 4f     D) 4s = 4p = 4d = 4f

62. Lanthanides from Ce(58) to Lu(71) belong to this period                                                   
A) 6              B) 7                 C) 8               D) 5

63. Actinides from Th(90) to Lr(103) belong to this period                                                      
A) 6             B) 7                  C) 8               D) 5

64. The most electronegative element is                                                                                    
A) F             B) Cl                C) Br              D) I

65. The least electronegative element is                                                                                      
A) F             B) Cl                C) Cs              D) H

66. With respect to Hydrogen, electronegativity of Fluorine is                                                
A) 4.0          B) 4.4              C) 4.2             D) 2.5

67. Lanthanides and Actinides belongs to this group                                                              
A) IIA                   B) IIIA                C) IIIB                  D) IVB

68. The electro positive elements are                                                                                      
A) Non - metals      B) Metals              C) Metalloids       D) Halogens

69. Group I elements are called as                                                                                            
A) Alkaline earths       B) Chalcogens          C) Halogens          D) Alkali metals

70. The element that is not '0' valent                                                                                       
A) Ne                    B) Ar                    C) Al                          D) Kr

71. The first attempt to classify elements was made by                                                      
A) Robert Boyle            B) Dobereiner         C) Newlands            D) Mendeleev

72. Law of octaves was enunciated by                                                                                     
A) Dobereiner              B) Newlands           C) Mendeleev            D) Lothar Meyer

73. Mendeleev arranged elements in a table according to                                                    
A) alphabetical order                       B) decreasing atomic weight
C) increasing atomic weight            D) increasing atomic number

74. The elements with atomic numbers 2, 10, 18, 36, 54, 86 are all                               
A) inert gases           B) halogens          C) rare earths         D) light metals

75. The elements having 7 valence electrons are known as                                             
A) lanthanides         B) inert gases       C) halogens              D) rare earths

76. Which of the following represents the electronic configuration of d − block elements?
A) (n − 1) s2 nd1 − 10                      B) (n − 1)d1 − 10 ns2                                                   
C) (n − 1)d1 − 10 ns2 np4               D) (n − 1)p4 ns2

77. A property which gradually increases down a group in the periodic table is          
A) electronegativity     B) ionisation energy      C) electron affinity        D) size of the atom

78. Electron affinity of inert gases is likely to be                                                               
A) zero             B) positive         C) negative            D) high

79. Which has the highest electron affinity                                                                        
A) F           B) Cl           C) Br            D) I

80. Which element has the highest electronegativity                                                       
A) Na        B) Ne         C) F               D) He

81. Which element has lowest electronegativity                                                               
A) Fr          B) Li        C) F          D) Cl

82. In the periodic table where are non − metals located?                                                
A) on the upper right hand side             B) on the upper left hand side
C) on the lower left hand side                 D) between group IIA and IIIA

83. On moving from left to right across a period in the table the metallic character     
A) increases                            B) decreases
C) remains constant              D) fist decreases and then increases

84. About two thirds of elements in the periodic table are                                                
A) metalloids           B) non − metals         C) metals          D) radioactive elements

85. The first synthetic element made is                                                                                 
A) Fl         B) Cn         C) Rg           D) Tc

86. The number of man−made elements is about                                                                
A) 63        B) 17          C) 91           D) 118

87. Which period contains all the gaseous elements ?                                                          
A) 1st       B) 2nd       C) 3rd         D) 4th

88. In which group all the elements are gases?                                                                   
A) IA       B) IIA       C) IIIA       D) Zero

89. Which one of the following is caused due to 'Screening effect' ?                                  
A) Increase in ionisation energy          B) Increase in nuclear charge
C) Decrease in ionisation energy          D) Decrease in atomic size

90. The number of d − block elements in the fourth period of the modern periodic table are
A) 10           B) 18        C) 12           D) 32

91. Which of the following is correct while going down the group in the periodic table?  
A) Atomic number increases           B) Number of shells increases
C) Atomic radius increases              D) All of the above

92. Which of the following elements is bigger in size compared to others?                      
A) B          B) C          C) A          D) K

93. In the modern periodic table, group 1 (IA) is called as                                               
A) alkaline earth metals     B) alkali metals     C) halogens     D) noble gases

94. In the modern periodic table, group 2 (IIA) is called as                                               
A) alkaline earth metals     B) alkali metals     C) halogens      D) noble gases

95. In the modern periodic table, group 17 (VIIA) is called as                                           
A) noble gases      B) chalcogens         C) halogens              D) alkali metals

96. Read the statements related to Modern Periodic Table and choose the correct answers. 
i) The number of elements in period does not depend on how electrons are filled in various shells.
ii) The number of main shell present in the atom of particular element decides to which period it belongs.
iii) The second period starts with the 2nd main shell (L)
A) i and ii           B) ii and iii           C) i and iii           D) i, ii and iii

97. Identify the correct statement about the modern periodic table                                 
A) The 2nd period contains 18 elements        B) The 3rd period contains 18 elements
C) The 4th period contains 18 elements         D) The 6th period contains 18 elements

98. If Electro Negativity = EN, Ionisation Energy = IE and Electron Affinity = EA, then 

99. Read the following statements about modern periodic table and choose the correct answers.                                                                                                                                     
i) Atomic radius increases in groups from top to bottom and decreases in period from left to right.
ii) Ionisation energy decreases in groups from top to bottom and increases in period from left to right.
iii) Electron affinity decreases in groups from top to bottom and increases in period from left to right.
iv) Electron negativity increases in groups from top to bottom and decreases in period from left to right.
A) i and ii         B) iii and iv          C) i, ii and iii           D) i, ii, iii and iv

100. 1 Picometre (Pm) = .......                                                                                                
A) 10−12 cm         B) 10−21 cm         C) 10−12 m            D) 10−21 m

101. Anomalus pair in Mendeleev's periodic table                                                                
A) Mn, Cl         B) Te, I         C) Na, K            D) Cu, Zn

102. The correct order of ionization energy values of Li, Be, B is                                   
A) Li > Be > B       B) Li < Be < B        C) Li < B < Be           C) Be < Li < B

103. The name of 101th element in modern periodic table is                                            
A) Scandinavium        B) Mendelevium          C) Borolinum             D) Lanthanivium

104. Match the following.                                                                                                      
           Group Number                  Name of the element family
               1) 1 (IA)                                   a) Chalcogen family
               2) 13 (IIIA)                             b) Noble gas family
               3) 16 (VIA)                              c) Boron family
               4) 18 (VIIIA)                           d) Alkali metal family
A) 1-d, 2-a, 3-c, 4-b      B) 1-b, 2-d, 3-a, 4-c       C) 1-c, 2-b, 3-a, 4-d      D) 1-d, 2-c, 3-a, 4-b

105. Match the following.                                                                                                  
           Group Number               Valence shell configuration
               1) VIIIA                                     a) ns2 np4
               2) VIA                                        b) ns1
               3) IIIA                                       c) ns2 np6
               4) IA                                          d) ns2 np1
A) 1-a, 2-c, 3-b, 4-d     B) 1-d, 2-c, 3-a, 4-b     C) 1-c, 2-a, 3-d, 4-b    D) 1-b, 2-a, 3-d, 4-c

106. Match the following.                                                                                                   
           Name of the element family                        Valence electrons
                1) Alkali metal family                                           a) 6
                2) Carbon family                                                   b) 1
                3) Oxygen family                                                  c) 8
                4) Nobel gas family                                               d) 4
A) 1-c, 2-a, 3-d, 4-b      B) 1-b, 2-d, 3-a, 4-c     C) 1-b, 2-c, 3-a, 4-d       D) 1-a, 2-b, 3-c, 4-d

107. Match the following.                                                                                                  
             Name of the element family                  Valency
                      1) Halogen family                               a) 4
                      2) Chalcogen family                           b) 3
                      3) Boron family                                  c) 2
                      4) Carbon family                                d) 1
A) 1-b, 2-c, 3-a, 4-d       B) 1-a, 2-b, 3-c, 4-d       C) 1-c, 2-d, 3-a, 4-b     D) 1-d, 2-c, 3-b, 4-a

108. Match the following.                                                                                                
             Periodic property                        Trend in groups from top to bottom
                 1) Valency                                             a) Decreasing
                 2) Atomic radius                                  b) Same for all elements
                 3) Electron affinity                               c) Increasing
A) 1-a, 2-b, 3-c          B) 1-c, 2-b, 3-a         C) 1-b, 2-a, 3-c            D) 1-b, 2-c, 3-a

109. Match the following.                                                                                                

            1) Alkali metals                                a) (n − 1)d1 − 10 ns1 − 2
            2) Noble gases                                  b) (n − 2)f1 − 14 (n − 1)d0 or 1 ns2
            3) Transition elements                    c) ns2 np6
            4) Inner transition elements          d) ns1
A) 1-b, 2-a, 3-c, 4-d     B) 1-c, 2-d, 3-a, 4-b     C) 1-d, 2-c, 3-a, 4-b     D) 1-a, 2-b, 3-c, 4-d

110. Match the following.                                                                                                      
                1) Na                      a) d − block
                2) Al                       b) f − block
                3) Sc                       c) p − block
                4) Ce                      d) s − block
A) 1-b, 2-a, 3-d, 4-c    B) 1-d, 2-c, 3-b, 4-a     C) 1-a, 2-b, 3-c, 4-d       D) 1-d, 2-c, 3-a, 4-b


Answers : 1 - A;   2 - C;     3 - C;   4 - D;   5 - A;    6 - A;    7 - B;    8 - A;    9 - A;   10 - C;   11 - C;   12  -A;   13 - C;    14 - C;    15 - C;   16 - B;   17 - C;   18 - D;   19 - D;   20 - C;  21 - A;   22 - B;   23 - D; 24 - B;       25 - A;       26 - D;       27 - C;       28 - D;       29 - C;  30-C;         31 - B;       32 - A;  33 - B;   34 - D;    35 - B;   36 - A; 37 - A;    38 - C;    39 - A;  40 - B;     41 - D;    42 - C; 43 - A;   44 - C;   45 - B;   46 - A;   47 - A;  48 - B;  49 - D;   50 - B;    51 - D;     52 - A;   53 - A; 54 - D;  55 - C;   56 - B;    57 - B;   58 - D;  59 - B; 60 - D;   61 - A;   62 - A;    63 - B;   64 - A;   65 - C;   66 - A; 67 - C;   68 - B;  69 - D;  70 - C;  71- B;   72-B;   73-C; 74-A;    75-A;   76-A;   77-D;   78-C;   79-B;   80-C; 81-A;  82-A;   83-B;  84-C;  85-D;  86-B; 87-A; 88-D;  89-C;  90-A;   91-D;  92-D;  93-B;  94-A;   95-C;  96-B;   97-C;   98-D;  99-C; 100-C;  101-B;  102-C;  103 -B;  104-D; 105-C;  106-B;  107-D;  108-D;  109-C;  110-D.

Posted Date : 26-06-2021

గమనిక : ప్రతిభ.ఈనాడు.నెట్‌లో కనిపించే వ్యాపార ప్రకటనలు వివిధ దేశాల్లోని వ్యాపారులు, సంస్థల నుంచి వస్తాయి. మరి కొన్ని ప్రకటనలు పాఠకుల అభిరుచి మేరకు కృత్రిమ మేధస్సు సాంకేతికత సాయంతో ప్రదర్శితమవుతుంటాయి. ఆ ప్రకటనల్లోని ఉత్పత్తులను లేదా సేవలను పాఠకులు స్వయంగా విచారించుకొని, జాగ్రత్తగా పరిశీలించి కొనుక్కోవాలి లేదా వినియోగించుకోవాలి. వాటి నాణ్యత లేదా లోపాలతో ఈనాడు యాజమాన్యానికి ఎలాంటి సంబంధం లేదు. ఈ విషయంలో ఉత్తర ప్రత్యుత్తరాలకు, ఈ-మెయిల్స్ కి, ఇంకా ఇతర రూపాల్లో సమాచార మార్పిడికి తావు లేదు. ఫిర్యాదులు స్వీకరించడం కుదరదు. పాఠకులు గమనించి, సహకరించాలని మనవి.

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