Draw an electron dot diagram to show the structure of hydronium ion. State the type of bonding present in it.

Electrovalent compounds are formed in a chemical reaction?

$2\mathrm{}\mathrm{N}\mathrm{a}+\mathrm{C}{\mathrm{l}}_2\to 2\mathrm{N}{\mathrm{a}}^{+}\mathrm{C}{\mathrm{l}}^{-}$

Write the electronic configuration of the ions of the electrovalent products.

Electrovalent compounds are formed in a chemical reaction?

$2\mathrm{Mg}+{\mathrm{O}}_2\to 2{\mathrm{Mg}}^{2+}+{\mathrm{O}}^{2-}$

Write the electronic configuration of the ions of the electrovalent products.