Particle theory Flashcards
1
Q
What is it called when a solid changes to a liquid?
A
Melting.
2
Q
What is it called when a liquid changes to a gas?
A
Evaporating.
3
Q
What is it called when you change from a gas to a liquid?
A
Condensating.
4
Q
What is it called when a liquid changes to a solid?
A
Freezing
5
Q
What is a pure substance?
A
It has only one type of atom in it.
6
Q
What is an impure substance.
A
It has multiple types of atoms.
7
Q
What is an element?
A
A substance with only one type of atom.
8
Q
What is a compound?
A
Two or more elements chemically combined.
9
Q
A