Question

to which group and period does element X belongs if its atomic number is 15​

Answer 1

Here Is Your Ans ⤵

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➡Period = 3

➡Group = 15

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Answer 2

atomic number=15

electronic configuration=2,8,5

there are three shells so the period will be 3rd

number of valence electrons is 5 so the group will be 5+10=15.

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