Question

An element has atomic number 15 what will be its electronic configuration,​

Answer 1

Answer:

The element with atomic number 15 belonging to group 15 is present in third period (Period-3). It has therefore, three shells. The element is Phosphorus (P), Configuration = 2, 8, 5, Valency = 5 or 3 (8-5=3) Nature = Non-metal.

Answer 2

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Explanation:

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