Determining Protons Electrons Neutrons

Front

What does the bottom most number in an element's atomic mass represent?

Back

Number of Protons and Neutrons.

Front

How many protons are in Beryllium?

Back

4

Front

How many neutrons are in a Gold atom?

Back

118

Front

How many electrons does an atom of Krypton have?

Back

36

Front

What does the top most number in an element's atomic mass represent?

Back

Number of Protons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the charge of a neutron?

Back

Neutral.

Front

How do you calculate the number of neutrons in an atom?

Back

Subtract the number of protons from the atomic mass.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.