matter of particles Flashcards
1
Q
solid
A
- packed tightly together
- cannot move
- fixed positions
- strong forces
- definite shape
- definite volume (hard to compress)
2
Q
liquid
A
- very close together
- not in fixed positions
- can move around and slide over each other
- forces between particles weaker than solids
- take up shape of container
- definite volume (difficult to compress)
3
Q
gas
A
- far apart
- fast
- forces are weak
- take up whole container
- don’t have definite volume (can be compressed)
4
Q
elements
A
is a substance made up of only one type of atom
5
Q
metals
A
dense shiny sonorous good conductors of heat/electricity malleable ductile high melting point
6
Q
non-metals
A
low melting point
dull
poor conductors of electricity and heat
brittle
7
Q
compounds
A
made of different types of atom that have been chemically joined together
- element loses own properties
- difficult to desperate
8
Q
mixture
A
made of at least 2 substances together that have not been chemically combined
- each part keeps own properties
- usually easy to separate
9
Q
molecules
A
when atoms join together, the group of combined atoms is called a molecule
