Compare the properties of a typical metal and a non-metal on the basis of the following:

i. Nature of the oxide formed by them

ii. Conductivity

Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements

(a) Mg and N₂

(b) Li and O₂

(c) Al and Cl₂

(d) K and O₂

Write the chemical equations for the reactions taking place when:

(a) Magnesium ribbon is burnt in presence of air.

(b) Sodium metal catches fire in contact with water.

(c) Steam is passed over hot aluminium.

Name a non-metal which is lustrous and a metal which is liquid at the room temperature.

A compound ‘X’ conducts electricity and is soluble in water. What kind of compound is X, ionic or covalent? Assign other two properties of compound X other than given in the question.