Mod 16 & Periodic Table Reviw

Front

Which atomic particle is electrically neutral?

Back

Neutron

Front

What is the atomic number?

Back

The number of protons in an atom.

Front

Which group of elements has two electrons in their outer energy levels?

Back

Alkaline earth metals

Front

What particle carries a positive charge in an atom?

Back

Proton

Front

How much lighter is an electron compared to a proton?

Back

1800 times lighter than a proton.

Front

What is the charge of a proton?

Back

Positive charge.

Front

What is the charge of an electron?

Back

Negative charge.

Front

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

Back

About the same as a proton.

Front

What do you call the vertical columns in the periodic table?

Back

Groups or families.

Front

What do you call the horizontal rows in the periodic table?

Back

Periods.