Chemistry Flashcards
matter
Anything that has mass and takes up space (volume)
mixture
A combination of two or more substances that are not chemically combined, like rocks mixed together.
solution
A mixture that forms when one substance dissolves another, like salt water.
compound
A substance made up of atoms of two or more different elements joined by chemical bonds. Example: Water (H20)
element
A pure substance made of only one kind of atom
homogenous
uniform, the same through out
heterogenous
not similar; very different; mixed together
solid
Definite shape and volume
liquid
A state of matter that has no definite shape but has a definite volume.
gas
A state of matter with no definite shape or volume
melting
The temperature at which a solid becomes a liquid
freezing
The change of state from a liquid to a solid
vaporization
The change of state from a liquid to a gas
evaporation
A change from a liquid to a gas at a temperature that is lower than the boiling point. (at the surface of a liquid)
boiling
The temperature at which a substance changes from a liquid to a gas.(entire liquid)
condensation
The change of state from a gas to a liquid