Science, asked by arpitrajput1607, 3 months ago

an atom has electronic configurations 2 8 7​

Answers

Answered by asajaysingh12890
0

Answer:

(a) The number of electrons present in an atom = 2+8+7 = 17. Therefore, the atomic number of this element is 17. Element is chlorine. (b) It would be chemically similar to F(9) with configuration as 2, 7.

Answered by rounitmourya2001
0

Answer:

(a) The number of electrons present in an atom = 2+8+7 = 17. Therefore, the atomic number of this element is 17. Element is chlorine. (b) It would be chemically similar to F(9) with configuration as 2, 7.

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