Atomic Structure Question 107

Question: The nucleus of an element contain 9 protons. Its valency would be

Options:

A) 1

B) 3

C) 2

D) 5

Show Answer

Answer:

Correct Answer: A

Solution:

Since its nucleus contain 9 proton so its. atomic number is 9 and its electronic configuration is 2, 7. So it require one more electron to complete its octet. Hence its valency is 1.



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