Question

4. Which of the following is not a metal?
sodium, nickel, gold, nitrogen​

Answer 1

Answer:

Atomic number of nitrogen is 7 and its electronic distribution is 2, 5. It belongs to group 15 of the periodic table and as it need 3 more electrons to complete its octet. Hence, it is a non-metal.

Answer 2

Answer:

Nitrogen is a non- metal

Explanation:

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