Atoms Review

Front

The positive particles of an atom are?

Back

Protons

Front

What is the mass number?

Back

The number of protons and neutrons in an atom.

Front

An atom's overall charge is?

Back

Neutral.

Front

All matter is made of what?

Back

Atoms.

Front

The smallest particle into which an element can be divided and still be the same substance is a(n)?

Back

Atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The nucleus is the center of an atom, containing protons and neutrons.

Front

What is an element?

Back

An element is a pure substance made of only one type of atom.

Front

What is the atomic number?

Back

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