Chemistry 2 Flashcards
1
Q
What process involves changing a gas to a liquid?
A
Condensation
2
Q
What process turns liquids into gases?
A
Vaporisation
3
Q
What is sublimation?
A
The process of changing a solid to a gas.
4
Q
What two states of matter does melting involve?
A
Solids and liquids.
5
Q
Name a giant covalent structure.
A
Diamond or graphite.
6
Q
Which bonding is the strongest?
A
Covalent
7
Q
What two substances does ionic bonding take place in?
A
A metal and non-metal.
8
Q
What happens with electrons in covalent bonding?
A
They are shared.
9
Q
If an atom loses and electron what charge is it?
A
Positive.
10
Q
What is an ion?
A
An atom that has gained or lost and electron and thus has gained a charge.
