Question

2.
An ion contains 20 protons, 20 neutrons and 18 electrons. By
referring to the Periodic Table, answer the following questions.
(a) What is the charge on the ion?
(b) Name the ion.
(c) Draw the electronic structure of an atom of this
element.​

Answer 1

Answer:

so sorry don't know so can't answer

Answer 2

Answer:

(a) The charge of the ion is cation (2+) as its gaining 2 electrons.

(b) The ion is calcium ion (Ca2+).

(c) The electronic structure of an atom of this element is:

K L M N

K L M N2,8, 8, 2