Ionic, covalent and metallic bonding

Question 1

What is ionic bonding?

Answer 1

When a metal and a non-metal react together.

Question 2

What type of forces are in ionic bonded compounds?

Answer 2

Electrostatic forces

Question 3

What is the charge of an anion?

Answer 3

Negative

Question 4

What is the charge of a cation?

Answer 4

Positive

Question 5

What are the properties of ionic compounds?

Answer 5

1. High melting and boiling points
2. Do not conduct electricity
3. Only conduct electricity when molten or aqueous

Question 6

What are model limitations?

Answer 6

1. 2D don’t show the shape of the substance or size
2. Dot and cross diagrams don’t show the size of the atoms or arrangement
3. 3D models only show the outer layer of the substance

Question 7

What is a covalent bond?

Answer 7

When a pair of electrons is shared between two atoms

Question 8

What type of forces hold the compounds together?

Answer 8

Intermolecular forces

Question 9

What are the properties of covalent compounds?

Answer 9

1. Low melting and boiling point
2. Don’t conduct electricity

Question 10

What are the properties of diamond?

Answer 10

1. Very strong and hard
2. High melting and boiling point
3. Do not conduct electricity

Question 11

What are the properties of graphite?

Answer 11

1. Soft and slippery
2. Can conduct electricity
3. High melting and boiling points

Question 12

What are the properties of metals?

Answer 12

1. Very high melting and boiling points
2. Can conduct electricity
3. Great conductors of thermal energy