Chemistry_Class-11_Chapter-3_Topic-1_Extended or Long Form of Periodic Table

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1. Which of these does not reflect the periodicity of the elements.

(a) Bonding behavior

(b) Electronegativity

(d) Neutron/proton ratio

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2. If an atom has electronic configuration 1s2 2s2 2p6 3s2 3p6 3d3 4s2, it will be placed in

(a) Second group

(b) Third group

(d) Sixth group

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3. The electronic configuration of an element is 1s2,2s2,2p6,3s2,3p3. What is the atomic number of the element which is just below the above element in the periodic table

(a) 33

(b) 34

(d) 49

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4. “The properties of the elements are periodic function of their atomic numbers.” The statement was given by

(a) N. Bohr

(b) J. W. Dobereiner

(d) H. G. J. Moseley

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5. Which one of the following belong to representative group of elements in the periodic table

(a) Lanthanum

(b) Argon

(d) Aluminium

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6. The element californium belongs to the family

(a) Actinide series

(b) Alkali mental family

(d) Lanthanide series

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7. On moving from left to right across a period in the table the metallic character

(a) Increases

(b) Decreases

(d) First increases and then decreases

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8. An element with atomic number 20 will be placed in which period of the periodic table

(a) 4

(b) 3

(d) 1

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9. Mendeleev’s periodic law is based on

(a) Atomic weight

(b) Atomic number

(d) None of the above

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10. Which of the following pairs has both member from the same period of the periodic table

(a) Na – Cl

(b) Na – CL

(d) Cl – Br

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11. Diagonal relationship is shown by

(a) Elements of first period

(b) Elements of second period

(d) Both (b) and (c)

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12. Chemical property of Li and Mg are similar because

(a) These belong to same group

(b) Both ionization potential is same

(d) Both electron affinity is same

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13. Which group of the periodic table contains only metals

(a) IIA

(b) IB

(d) All of these

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14. Which of the following show diagonal relationship

(a) B and Si

(b) B and Al

(d) B and C

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15. If the atomic number of an elements is 33, it will be placed in the periodic table in the

(a) First group

(b) Third group

(d) Seventh group

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16. Which of the following is the atomic number of a metal

(a) 32

(b) 34

(d) 38

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17. On going left to right in a period, in transition metals, their atomic volumes

(a) Decrease

(b) Increase

(d) None of these of correct

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18. The element X,Y,Z and T have the indicated electronic configuration. Starting with the innermost shell, which is the most metallic element

(a) X = 2,8,4

(b) Y= 2,8,8,

(d) T= 2,8,8,7

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19. Which pair of atomic numbers represents s-block elements

(a) 7,15

(b) 6,12

(d) 3,12

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20. Which one of the following is a ‘d- block element’

(a) Gd

(b) Hs

(d) Cs

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21. The element with atomic number 117 if discovered would be placed in

(a) Noble gas family

(b) Alkali family

(d) Halogen family

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22. The electronic configuration of an atom A is 1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s2, 4p3.The chemistry of A is therefore likely to be similar to that of

(a) Chlorine

(b) Nitrogen

(d) Boron

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23. Chloride of an element A gives neutral solution in water. In the periodic table, the element A belongs to

(a) First group

(b) Third group

(d) First transition series

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24. Which of the following element does not occur in liquid form

(a) Hg

(b) Li

(d) Br

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25. Astatine is a

(a) Halogen

(b) Rare earth element

(d) None of these

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26. Highest density is of ….

(a) Ir

(b) Os

(d) Hg

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27. Element having atomic number 17 is placed in

(a) IA- group

(b) VA- group

(d) VIIA- group

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28. The total number of rate-earth elements is

(a) 8

(b) 32

(d) 10

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29. Which is metalloid

(a) Pb

(b) Sb

(d) Zn

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30. Which set has the same number of unpaired electrons in their ground state

(a) Cl-, Fe3+, Cr3+

(b) Na+, Mg2+, Al

(d) N, P ,V

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The average score is 9%

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