Ionic and covalent compounds

(8 marks)

When elements combine to form compounds, it is generally through either covalent or ionic bonding.

I. Identify and explain whether MgCl, and SO₂ are ionic or covalent compounds. Illustrate the

bonding structure (Lewis diagrams) for both MgCl, and SO₂.

(6 marks)

Question 4

CHEM40079 Term 2 2023

Student Number

Assessment 2

Properties

II. Below is a list of properties for ionic and covalent compounds. Based on the properties, write if

these would form ionic or a covalent compound.

non-volatile (no smell)

gases, liquids, or solids (made of molecules)

single molecules or network molecules formed from

bonding between non-metals

Name

many soluble in nonpolar liquids but not in water

solids at room temperature

many are volatile

soluble in water (electrolyte)

low melting and boiling points

Page 3 of 13

Type of bonds

(2 marks)