Draw an electron dot diagram to show the formation of each of the following compounds —

(i) Methane

(ii) Magnesium chloride

[H = 1, C = 6, Mg = 12, Cl = 17]

Give one word or a phrase for — Process of formation of ions from molecules which are not in the ionic state.

Fill in the blank with the correct choice given in the bracket —

Ionic or electrovalent compounds do not conduct electricity in their …………… state. [fused/solid]

State the meaning of 'lone pair of electrons'. Draw the electron dot diagram of Hydronium ion. [H = 1, O = 8]