The Structure of an atom

Front

What is a neutron?

Back

A particle in the nucleus of an atom with no electrical charge.

Front

What particles make up the nucleus of an atom?

Back

Protons and neutrons.

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What determines the identity of an element?

Back

The number of protons.

Front

What is the role of an electron in an atom?

Back

Electrons circle the nucleus and have a negative charge.

Front

What is an atom?

Back

The basic unit of a chemical element, consisting of a nucleus surrounded by electrons.

Front

What is the nucleus of an atom?

Back

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

Front

What is the charge of a proton?

Back

Positive.

Front

How do electrons behave in an atom?

Back

They occupy energy levels or shells around the nucleus.

Front

What is atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.