States of matter Flashcards
1
Q
Solids
A
have definite shape and volume
2
Q
Liquids
A
have a definite volume and take shape of its container
3
Q
Gases
A
spread out (diffuse) and can be compressed
4
Q
solid —> liquid
A
melting
5
Q
liquid –>solid
A
freezing
6
Q
liquid –> gas
A
evaporation or boiling
7
Q
gas –> liquid
A
condensation
8
Q
solid gas
A
sublimation
9
Q
melting
A
endothermic reaction - energy is needed to break bonds
10
Q
evaporating/boiling
A
endothermic reaction - energy is needed to break bonds
11
Q
freezing and condensation
A
exothermic reaction - energy is given out as bonds make together