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The elements with atomic numbers 2, 10, ...

The elements with atomic numbers 2, 10, 18 36, 54, and 86 are collectively known as

A

Alkaline earth metals

B

Inert gases

C

Halogens

D

Rare earths

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The correct Answer is:
B
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NARAYNA-PERIODIC TABLE -All Questions
  1. Lanthanides are group of elements in which the differentiating electro...

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  2. Most of the ratio active elements are in

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  3. The elements with atomic numbers 2, 10, 18 36, 54, and 86 are collecti...

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  4. Which of the following represents the electronic configuration of d-bl...

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  5. The general configuration (n-1)d^(3)ns^(2) indicates that particular e...

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  6. If the valency shell electronic structure for an element is ns^(2) np^...

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  7. Variable valency is shown by

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  8. Which one of the following belongs to representative group of elements...

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  9. The element californium belongs to a familt of

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  10. Transitio metals are often paramagnetic due to

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  11. A member of Lanthanide

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  12. Which is wrong about transition metals?

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  13. The electron configuration of the starting and ending elements of four...

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  14. In which of the following period a maximum number of 32 elements are p...

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  15. The element having 18 electrons in its outer most shell is:

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  16. The maximum number of valency electrons possible for atom in the secon...

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  17. The atomic number of an element 'X' is 34. Then it is present in peri...

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  18. The position of element with Z=24 in the periodic table is

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  19. Transition metals exhibit variable oxidation states. It is because of

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  20. The following is the reason for the periodicity in the properties of e...

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