Atoms

Front

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

Back

Protons, neutrons, and electrons.

Front

What is the charge of neutrons in an atom?

Back

Neutrons have no charge (they are neutral).

Front

What is the atomic number of an atom?

Back

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

Front

If an atom has an atomic number of 6, how many protons does it have?

Back

It has 6 protons.

Front

What particle orbits the nucleus of an atom?

Back

Electrons orbit the nucleus of an atom.

Front

What is the charge of protons?

Back

Protons have a positive charge.

Front

What is the nucleus of an atom composed of?

Back

The nucleus is composed of protons and neutrons.

Front

What is the smallest unit of matter?

Back

An atom is the smallest unit of matter.

Front

What is the significance of the number of electrons in an atom?

Back

The number of electrons determines the atom's charge and its chemical properties.

Front

What is the relationship between protons and electrons in a neutral atom?

Back

In a neutral atom, the number of protons equals the number of electrons.