Structure of the Atom

Front

What are the three main parts of an atom?

Back

Protons, Neutrons, Electrons

Front

What is the smallest unit of matter?

Back

An atom

Front

Where are electrons located in an atom?

Back

Outside the nucleus

Front

What charge do neutrons have?

Back

Neutral, or no charge

Front

Which particle determines the identity of an element?

Back

Protons

Front

What is the charge of protons?

Back

Positive

Front

What is the charge of electrons?

Back

Negative

Front

What is the nucleus of an atom?

Back

The central part of an atom containing protons and neutrons.

Front

How do you find the atomic number of an element?

Back

It is equal to the number of protons in the nucleus.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.