Unit 6 Practice Questions

Front

What is the central region of an atom where its neutrons and protons are located?

Back

Nucleus

Front

What is the atomic mass of a nucleus with 7 total nucleons?

Back

7

Front

On a graph, which axis represents the independent variable?

Back

x-axis

Front

What happens to the energy of an electron as it moves further away from the nucleus?

Back

Increases

Front

How many electrons does a neutral oxygen atom have?

Back

8

Front

What are the three main subatomic particles in an atom?

Back

Protons, Neutrons, Electrons

Front

What charge do protons carry?

Back

Positive charge

Front

What charge do electrons carry?

Back

Negative charge

Front

What is the overall charge of a neutral atom?

Back

Neutral (equal number of protons and electrons)

Front

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

Back

Approximately equal