Front

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

Back

Neutrons are the particles in an atom that are neutral and have no charge.

Front

What is the atomic number for an element with three protons?

Back

The atomic number for an element with three protons is 3.

Front

What is all matter made of?

Back

All matter is made of atoms.

Front

What is the atomic symbol for sodium?

Back

The atomic symbol for sodium is Na.

Front

What particle uniquely identifies an element?

Back

The number of protons uniquely identifies an element.

Front

What are the three main types of particles in an atom?

Back

The three main types of particles in an atom are protons, neutrons, and electrons.

Front

What charge do protons have?

Back

Protons have a positive charge.

Front

What charge do electrons have?

Back

Electrons have a negative charge.

Front

Where are protons and neutrons located in an atom?

Back

Protons and neutrons are located in the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.