Question

Practice Questions
1. The composition of nuclei of two atomic species A and B is given below:
A
B.
Protons
17
17
Neutrons
18
20
17
17
Electrons
(a) What is the atomic number of A? 17
(b) What is the mass number of B? 37
(c
) What is the relation between A and B? They have some atomic numb
(d) What is the electronic configuration of A?
(e) Which element/elements do they represent?​

Answer 1

Answer:

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Explanation:

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