Atoms

Front

What type of charge do electrons have?

Back

Electrons have a negative charge.

Front

What is all matter made of?

Back

All matter is made of atoms.

Front

What is the central region of an atom called?

Back

The central region of an atom is called the nucleus.

Front

How does the size of a proton compare to the size of a neutron?

Back

A proton and a neutron are equal in size.

Front

What are the particles in an atom that are neutral and have no charge?

Back

The particles that are neutral and have no charge are neutrons.

Front

What is the charge of protons?

Back

Protons have a positive charge.

Front

What are the three main subatomic particles of an atom?

Back

The three main subatomic particles are protons, neutrons, and electrons.

Front

Where are electrons located in an atom?

Back

Electrons are located in the electron cloud surrounding the nucleus.

Front

What is the mass of a neutron compared to a proton?

Back

A neutron has approximately the same mass as a proton.

Front

What is the atomic number of an element?

Back

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