Question

Atomic number of an atom Z=15 mass number A=31.

a) write the number of protons, electrons and neutrons.

b) write the electronic configuration.

c)draw a Bhor model of an atom
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Answer 1

Explanation:

proton no. is 15

electron no. is 15

and neutrons no. is 16

It electronic Configuration is 2 , 8 , 5