Chemistry C2 Flashcards
1
Q
What are the states of matter
A
Solid , liquid , gas
2
Q
What is changing state from solid to liquid
A
Melting
3
Q
What is changing state from liquid to gas
A
Boiling
4
Q
What is changing state from gas to liquid
A
Condensation
5
Q
What is changing state from liquid to solid
A
Freezing
6
Q
Why is the particle theory wrong
A
The balls aren’t actually spheres
7
Q
What is an ion
A
An atom with a positive or negative charge
8
Q
When are ions created
A
They are made if electron are lost or gained
9
Q
What charge do the ions from group two have
A
+2