Chemistry Chapter 2 Flashcards
1
Q
Freezing, evaporation, melting, condensation,sublimation
A
Liquid to solid Liquid to gas Solid to liquid Gas to liquid Solid to gas
2
Q
Matter:
A
anything that takes ups space, there are three physical states:solid,liquid,gas
3
Q
Separation of solid than liquid
A
Decanting
4
Q
Separation of water from seawater
A
Distillation
5
Q
Separation of ethanol from ethanol/water mixture
A
Fractional distillation
6
Q
Separation of sugar crystals from a sugar solution
A
Crystallization
7
Q
Element?
A
Substances that cannot chemically be broken down into smaller substances
8
Q
Compounds?
A
Pure substances made from two or more elements chemically combined together
9
Q
Isotopes?
A
Atoms of the same element which have the same proton number but a different nucleon number