Question

20. Point out the mistakes in the following and correct.

(iv) ${\mathrm{NaCl}}_2$

Answer 1

1. Sodium ($\mathrm{Na}$) has one valence electron.
2. One Sodium atom can lose only one electron.
3. Chlorine ($\mathrm{Cl}$) has seven valence electrons.
4. One Chlorine atom ($\mathrm{Cl}$) can accept only one electron.
5. One Sodium one reacts with only one Chlorine atom to give Sodium Chloride.
6. A chemical formula is- $\mathrm{NaCl}$.