Atomic Structure

Front

Where are the electrons found in the structure of an atom?

Back

In spaces around the nucleus.

Front

Where is most of the mass in an atom located?

Back

In the nucleus.

Front

How many protons does indium have?

Back

49.

Front

Which two subatomic particles make up the nucleus of an atom?

Back

Protons and Neutrons.

Front

What are subatomic particles that are neutral in charge?

Back

Neutrons.

Front

What is the charge of protons?

Back

Positive.

Front

What is the charge of electrons?

Back

Negative.

Front

What is the overall charge of an atom?

Back

Neutral, because it has equal numbers of protons and electrons.

Front

What is the mass of a neutron compared to a proton?

Back

Approximately the same.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.