Question

Referring only to a periodic table, give the ionic charge expected for each of these representative elements.

Answer 1

ANSWER

Sodium = 1+

EXPLANATION

Sodium (Na) is a group 1 element with an atomic number of 11

Below is the electronic configuration of sodium

$\text{ 1s}^2\text{ 2s}^2\text{ 2p}^6\text{ 3s}^1$

The above configuration shows that sodium has an electron at the outter most shell of the atom which is the valence electron.

For sodium atom to attain it octet state, it needs to release the single electron at it outter most shell

Hence, the ionic charge of sodium (Na) is 1+