Properties Of Ionic And Covalent Substances

Question 1

List the properties of ionic substances.

5

Answer 1

Contain a network of ions in the crystal

Usually hard and brittle

Have high melting points and boiling points

Usually solid at room temperature

Conduct electricity in molten state or when dissolved in water

Question 2

Describe the structure of ionic substances

Answer 2

Contain a network of ions in the crystal

Question 3

Describe the physical properties of ionic substances

Answer 3

Usually hard and brittle

Question 4

Describe the boiling and melting points of ionic substances

Answer 4

Have high melting points and boiling points

Question 5

Describe the state of ionic substances at room temperature.

Answer 5

Usually solid at room temperature

Question 6

Describe ionic substances’ ability to conduct electricity

Answer 6

Conduct electricity in molten state or when dissolved in water

Question 7

List the properties of covalent substances

5

Answer 7

Contain individual molecules

Usually soft

Have low melting and boiling points

Usually liquids, gases or soft solids at room temperature

Do not conduct electricity

Question 8

Describe the structure of covalent substances

Answer 8

Contain individual molecules

Question 9

Describe the physical properties of covalent substances

Answer 9

Usually soft

Question 10

Describe the boiling and melting points of covalent substances

Answer 10

Have low melting and boiling points

Question 11

Describe the state of covalent substances.

Answer 11

Usually liquids, gases or soft solids at room temperature

Question 12

Describe covalent substances’ ability to conduct electricity

Answer 12

Do not conduct electricity