Complete the chart by filling in a description of each property for the given type of substance

1. IONIC

Melting point:
Ability to Conduct Electricity?:
Ability to conduct Heat?:
Hardness:
Molecules Present?:

2. COVALENT:

Melting point:
Ability to Conduct Electricity?:
Ability to conduct Heat?:
Hardness:
Molecules Present?:

3. NETWORK:


Melting point:
Ability to Conduct Electricity?:
Ability to conduct Heat?:
Hardness:
Molecules Present?:

4. METALLIC:

Melting point:
Ability to Conduct Electricity?:
Ability to conduct Heat?:
Hardness:
Molecules Present?:

1. IONIC

Melting point: High
Ability to Conduct Electricity?: strong only when melted or dissolved in water
Ability to conduct Heat?: good
Hardness: very hard but brittle
Molecules Present?: None, ionic substances are made of ions (NOT MOLECULES).

2. COVALENT:

Melting point: Low
Ability to Conduct Electricity?: Poor
Ability to conduct Heat?: Poor
Hardness: soft
Molecules Present?: Yes

3. NETWORK:


Melting point: very High
Ability to Conduct Electricity?: very poor
Ability to conduct Heat?: Poor
Hardness: very hard
Molecules Present?: Yes

4. METALLIC:

Melting point: High
Ability to Conduct Electricity?: excellent
Ability to conduct Heat?: Good
Hardness: variable
Molecules Present?: No