8.5A and 8.5B Protons, Neutrons, and Electrons

Front

What are the three main subatomic particles that make up an atom?

Back

Protons, Neutrons, and Electrons.

Front

What is the charge of a proton?

Back

Positive (+1) charge.

Front

What is the charge of an electron?

Back

Negative (-1) charge.

Front

What is the charge of a neutron?

Back

Neutral (0) charge.

Front

Where are protons located in an atom?

Back

In the nucleus.

Front

Where are neutrons located in an atom?

Back

In the nucleus.

Front

Where are electrons located in an atom?

Back

Orbiting around the nucleus.

Front

What determines the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is an ion?

Back

An atom that has gained or lost one or more electrons, resulting in a charge.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.