structure of atoms

Front

All matter is made of _________.

Back

atoms

Front

What is at the center of every atom?

Back

A nucleus

Front

__________ are negatively charged particles that are in the orbitals around the nucleus.

Back

electrons

Front

A proton has a ___________ charge.

Back

positive

Front

The particles with no charge in an atom are the _______.

Back

neutrons

Front

What are the three main subatomic particles in an atom?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a neutron?

Back

Neutral

Front

Where are protons located in an atom?

Back

In the nucleus

Front

What is the mass of an electron compared to protons and neutrons?

Back

Much smaller than both protons and neutrons

Front

What determines the atomic number of an element?

Back

The number of protons in the nucleus