1
Q
What’s a Molecule?
A
An atom joined together in covalent
2
Q
What do molecules have?
A
- Low Boiling and Melting points
- Atoms held together by covalent bonds
- No overall electric charge which doesn’t conduct electricity
3
Q
How does a solid turn into a gas?
A
Solid melts and gives energy which is breaking the force of attraction and is then turned into a liquid, the liquid is then evaporated into a gas
4
Q
Oxygen are joined by
A
Covalent bonds
5
Q
What are intermolecular forces?
A
Weak force of attraction
6
Q
What are ions held together by?
A
Electrostatic forces
7
Q
Ionic compounds have a
A
High melting point and a high boiling point
8
Q
What happens when Molten sodium chloride is being heated?
A
When it heat each substance it moves and becomes attracted to the opposite ion
So for example
Positive attracted to a -
- attracted to +
Chemistry Additional
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