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Atomic number of nitrogen is 7. The atom...

Atomic number of nitrogen is 7. The atomic number of the third member in the same family is

A

23

B

15

C

33

D

51

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PERIODIC CLASSIFICATION-OBJECTIVE EXERCISE - 2 (PERIODIC CLASSIFICATION)
  1. Which of the following has both members from the same period of the pe...

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  2. As per the modern periodic law, the physical and chemical properties o...

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  3. Atomic number of nitrogen is 7. The atomic number of the third member ...

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  4. Element with atomic number 38, belongs to

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  5. Set of elements with the following atomic numbers belong to the same g...

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  6. The element which belong to 3rd period and IVA group of periodic table...

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  7. Screening by inner electrons will be more effective in

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  8. Which of the following pairs has elements containing same number of el...

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  9. The period that includes all blocks of elements is

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  10. Among s-block metals and transition metals, which are more metallic?

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  11. Element with atomic number 52 belongs to

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  12. The period number and group number in which maximum number of elements...

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  13. The general electronic configuration of f-block elements is

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  14. The common oxidation state exhibited by inner transition elements usua...

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  15. The pair of atomic numbers which represent the p-block elements

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  16. Which of the following is an element present in the d-block, but not a...

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  17. Which of the following is an alloy of non-transition elements?

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  18. Common oxidation state of elemental transition metal is

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  19. Configuration that does not denote a transition element

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  20. An element of 5f-series but has no electrons filled in 5f-sub shell

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