Structure of an atom

Front

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

Back

neutrons

Front

In an atom, the number of protons is equal to _______.

Back

The number of electrons.

Front

Most of the atom is filled with _______.

Back

empty space

Front

An atom with atomic number 6 would have how many protons?

Back

6

Front

Which element has 31 protons?

Back

Gallium

Front

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

Back

Protons, neutrons, and electrons.

Front

What is the charge of protons?

Back

Positive charge.

Front

What is the charge of electrons?

Back

Negative charge.

Front

What is the charge of neutrons?

Back

No charge (neutral).

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus.