Subatomic Particles and Atom Diagrams

Front

What are subatomic particles?

Back

Subatomic particles are the particles that make up an atom, including protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (it is neutral).

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of an atom.

Front

Where are neutrons located in an atom?

Back

Neutrons are located in the nucleus of an atom.

Front

Where are electrons located in an atom?

Back

Electrons are found in the electron cloud outside the nucleus.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost energy level of an atom that are involved in chemical bonding.