Periodic Table/Atoms

Front

What does the number 1.00794 represent in the periodic table?

Back

Atomic mass of Hydrogen.

Front

Which type of subatomic particle has the least mass?

Back

Electrons.

Front

How many protons are found in a Beryllium atom?

Back

4 protons.

Front

What are the columns in the periodic table called?

Back

Groups.

Front

What are the rows in the periodic table called?

Back

Periods.

Front

What gives an atom its mass?

Back

Protons and neutrons in the nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

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.