PS.6.1.2 States of Matter Flashcards

Front

Atom

Back

the smallest unit of a chemical element, consisting of a nucleus surrounded by electrons.

Front

Molecule

Back

a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

Front

Condense

Back

to change from a gas to a liquid, usually by cooling or increasing pressure.

Front

Expand

Back

to increase in size or volume, often as a result of heating.

Front

Phase Change

Back

a transition of matter from one state to another, such as from solid to liquid or from liquid to gas.

Front

Temperature

Back

a measure of how hot or cold something is, often measured in degrees Celsius (°C) or Fahrenheit (°F).

Front

Energy

Back

the capacity to do work or produce heat, which can cause changes in the state of matter.

Front

Vibrate

Back

to move back and forth rapidly, often describing the motion of particles in solids.

Front

Liquid

Back

a state of matter that has a definite volume but no definite shape, taking the shape of its container.

Front

Gas

Back

a state of matter without a definite shape or volume, expanding to fill its container.