What are the basic constituences of an atom?

Answer 1

In the Nucleus you have:

The Proton - Positive Charge

The Neutron - Neutral Charge

Orbiting the Nucleus you have:

The electron - Negative Charge

Answer 2

An atom consists of protons, neutrons, and electrons. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge. Protons and neutrons are located in the nucleus, while electrons orbit around the nucleus.

Answer 3

Protons, neutrons are in the nucleus and electrons orbit the nucleus in 'shells'.