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The element with atomic numbers 19 is...

The element with atomic numbers 19 is

A

Halogen

B

Chalcogen

C

Noble gas

D

An alkali metal

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The correct Answer is:
D
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NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -C.U.Q
  1. Which of these does not reflect the periodicity of the elements.

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  2. The atomicity of noble gases is

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  3. The element with atomic numbers 19 is

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  4. Which of the following pair of atomic numbers represents s-block eleme...

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  5. The element with electron configuration 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)...

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  6. The element with ns^(2)np^(4) as outer electron configuration is a

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  7. If the differentiating electron enters (n-1) d-sublevel. The element i...

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  8. Atoms with three of their outer most orbits incompletety filled with e...

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  9. The name of the element with atomic number 100 was adopted in honour o...

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  10. Inner transition elements exhibit different coloured compounds on acco...

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  11. The total numbers of elements in the Group 11 is

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  12. The atomic numbers of elements of second transition series lie in the ...

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  13. Atomic number of next inert gas to be discovered will be

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  14. The element with atomic number 12 belongs to.........Group and...........

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  15. Elements which generally exhibit multiple oxidation states and whose i...

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  16. Ce-58 is a member of

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  17. The outer most orbit of an element "X" is partially filled with electr...

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  18. Which is the atomic number of another element present in the same grou...

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  19. Which statement is incorrect for the d-block elements A)Have atomic ra...

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  20. When a neutral atom is converted to the anion its

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