# CHEM 6 CH 1

Term
1 / 21
Chemistry
Click the card to flip 👆
Terms in this set (21)
Property:
A characteristic useful for identifying a substance or object.

Physical change: A change that does not affect the chemical makeup of a substance or object.
CHANGES IN MASS, TEMP, DENSITY, SIZE, VOLUME
(ice melting, evaporation)

Chemical change A change in the chemical makeup of a substance.
REACTIONS, FLAMMABLE, RUST, OXIDIZE, COMBUST, COOKING, IRREVERSIBLE CHANGES
(bike rusting, fruit ripening, cooking, bleach hair)
Solid:
A substance that has a definite shape and volume.

Liquid:
A substance that has a definite volume but assumes the shape of its container.

Gas:
A substance that has neither a definite volume nor a definite shape.

*Change of state:
The conversion of a substance from one state to another—for example, from liquid to gas.*