7.1 OpenSciEd

Front

What can be broken down and rearranged?

Back

Molecules

Front

What will float if it is less dense than water?

Back

A substance that is less dense than water.

Front

What are the three states of matter?

Back

Gas, liquid, solid.

Front

What is flammability?

Back

A property of a substance that indicates its ability to catch fire.

Front

How many atoms of sodium are in the molecule Na3?

Back

3

Front

What is the smallest unit of an element?

Back

Atom

Front

What is a substance that has a definite shape and volume?

Back

Solid

Front

What is a substance that has a definite volume but no definite shape?

Back

Liquid

Front

What is a substance that has no definite shape or volume?

Back

Gas

Front

What is the term for a change in a substance that does not change its identity?

Back

Physical change