Atoms, Ions, & Isotopes

Front

What is the atomic mass of an atom determined by?

Back

The atomic mass of an atom comes from its nucleus.

Front

What happens to an atom when it gains an electron?

Back

When an atom gains an electron, it becomes a negative ion.

Front

If an atom has 5 protons, 5 neutrons, and 6 electrons, what type of ion is it?

Back

It is a negative ion.

Front

What type of atomic model represents electrons in a cloud around the nucleus?

Back

The electron cloud model.

Front

What is a negative ion also known as?

Back

A negative ion is called an anion.

Front

What are the three main subatomic particles in an atom?

Back

Protons, neutrons, and electrons.

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of an atom.

Front

What charge do neutrons carry?

Back

Neutrons carry no charge (they are neutral).

Front

What is an isotope?

Back

An isotope is an atom that has the same number of protons but a different number of neutrons.

Front

What is the charge of a positive ion?

Back

A positive ion has a positive charge.