Question

question no.3, 8 please​

Answer 1

Answer:

here is your ans mate

A 3 ---. Elements present are calcium and oxygen.

A 8---. Sodium chloride (NaCl) is a typical ionic compound. ... Sodium has 1 electron in its outermost shell, and chlorine has 7 electrons. It is easiest for sodium to lose its electron and form a +1 ion, and for chlorine to gain an electron, forming a -1 ion.

Hasta la vista

Answer 2

Explanation:

Elements present are calcium and oxygen. it is of q ni 3

Sodium chloride (NaCl) is a typical ionic compound. ... Sodium has 1 electron in its outermost shell, and chlorine has 7 electrons. It is easiest for sodium to lose its electron and form a +1 ion, and for chlorine to gain an electron, forming a -1 ion.