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The elements with atomic numbers 9, 17, ...

The elements with atomic numbers 9, 17, 35,53, 85 and all

A

noble gases

B

halogens

C

heavy metals

D

light metals

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The correct Answer is:
B
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. In any period of the periodic table, valency of an element with respec...

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  2. For the electron affinity of halogens (with -ve sign), which of the fo...

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  3. The elements with atomic numbers 9, 17, 35,53, 85 and all

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  4. In a given shell, the order of screening effect is

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  5. Correct order of radii is

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  6. Which one of the following sets of ions represents the collection of i...

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  7. Among Al(2)O,SiO(2),P(2)O(3) and So(2) the correct order of acid stren...

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  8. The formation of the oxide ion O^(2-)(g) requires first an exothermic ...

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  9. Which one of the following ions has the highest value of ionic radius?

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  10. Ionic radii are

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  11. Four successive members of the first row transition elements are liste...

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  12. Which of the following oxides is amphoteric is nature ?

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  13. In which of the following arrangements the order is NOT according to t...

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  14. Which one of the following arrangements represents the correct order o...

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  15. Order of first ionisation potentials of elements Li,Be,B, Na is

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  16. Which of the following is an inert gas?

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  17. Identify the correct order in which the covalent radius of the followi...

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  18. Match 1list I with list II and select the correct answer using the cod...

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  19. In the following, the element with the highest ionization energy is

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  20. One mole of magnesium in the vapor state absored 1200 kJ mol^(-1) of e...

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