Question

(a) Draw the electron dot structure for ethyne.

(b) List two differences between the properties exhibited by covalent compounds and ionic compounds.

Answer 1

(a) Electron dot of ethyne is as shown.

(b) Differences between the properties of ionic and covalent compounds:

Ionic Compounds	Covalent Compounds
1. They are generally crystalline solids.	1. They are generally volatile liquids or gases.
2. They have high melting and boiling points.	2. They have low melting and boiling points.