Properties of Elements

Front

What tells you how many protons an element has?

Back

Atomic number.

Front

How many different types of subatomic particles are there in an atom?

Back

Three: protons, neutrons, and electrons.

Front

To find the number of neutrons, what do you subtract from the atomic mass?

Back

You subtract the atomic number from the atomic mass.

Front

What does the numbered row of the Periodic Table indicate about an element?

Back

It tells you how many energy levels an element has.

Front

What are examples of elements that are gases and not reactive?

Back

Noble gases.

Front

What is the smallest unit of an element?

Back

An atom.

Front

What are the three subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.