The atomic numbers of three elements are 5, 7 and 10respectively. Which of these...

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August 2021 2 23 Report

The atomic numbers of three elements are 5, 7 and 10
respectively. Which of these:

(a) Belongs to group 18

(b) Belongs to group 15

(c) Belongs to group 13

MPP A. Group 18 is of noble gas. Thus the element having atomic number 10, that is Neon, belongs to group 18.

B. The element with atomic number 7 belongs to group 15. This element is Nitrogen

c. The element with atomic number 5 belongs to group 13. This element is Boron.

NagmaMaurya A)element with atomic number 10,belongs to group 18.
b)element with atomic number 7,belongs to group 15
c)element with atomic number 5,belongs to group 13

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