Atoms and States of Matter

Front

What is the defining characteristic of a gas in terms of size and shape?

Back

A gas has no definite size or shape.

Front

What is the defining characteristic of a solid in terms of size and shape?

Back

A solid has a definite size and shape.

Front

What distinguishes one element from another?

Back

Elements are different from each other because of the number of protons.

Front

What is the defining characteristic of a liquid in terms of size?

Back

A liquid has a definite size (amount) but takes the shape of its container.

Front

What state of matter do atoms arrange to form when they are far apart and move freely?

Back

Gas.

Front

What is the state of matter that has a fixed volume but no fixed shape?

Back

Liquid.

Front

What happens to the arrangement of atoms in a solid when it is heated?

Back

The atoms vibrate more and may eventually transition to a liquid state.

Front

What is the process called when a solid turns directly into a gas?

Back

Sublimation.

Front

What is the process called when a gas turns into a liquid?

Back

Condensation.

Front

What is the process called when a liquid turns into a solid?

Back

Freezing.