Matter & The Atom - Review

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

What is the charge of an electron?

Back

Electrons are negatively charged particles (-).

Front

What is a proton?

Back

A proton is a positively charged particle (+) found in the nucleus of an atom.

Front

What happens to particles in a gas?

Back

Particles in a gas move quickly and are far apart from each other.

Front

How does temperature affect particle movement?

Back

At higher temperatures, particles move faster.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

How do you find the number of neutrons in an atom?

Back

Number of neutrons = Atomic mass - Atomic number.