Chemistry, asked by priyanka72263, 2 months ago

An atom has electronic configuration 2,8,7 a) what is the atomic number of this elements? b) to which of the following elements would it be chemiclalyysimilar? N(7) F(9) P(15) AR(18)

Answers

Answered by sonasabu596

2

Answer:

atomic number - 17

Fluorine [F(9)] is chemically similar to chlorine

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