matter Flashcards
1
Q
matter
A
anything that has mass and takes up space
2
Q
pure substances
A
matter with a fixed composistion
3
Q
elements
A
pure substances that cannot be separated by physical or chemical means
4
Q
compounds
A
pure substances made of 2 or more different elements joined by chemical bonds
5
Q
mixtures
A
combination of 2 or more substances that are not chemically combined
6
Q
heterogeneous mixture
A
materials that can usually be easily distinguished
7
Q
homogeneous mixture
A
particles so small that they cannot be seen with a microscope
8
Q
colloid
A
medium sized particles
9
Q
Tyndall effect
A
the scattering of light by particles in a mixture
10
Q
suspension
A
large particles that settle
