Periodic Table of Elements

Front

What do the periods on the periodic table represent?

Back

Electron shells.

Front

What are the horizontal rows on the Periodic Table called?

Back

Periods.

Front

What element is located in Period 6 Group 11?

Back

Gold.

Front

Where on the periodic table are metals primarily located?

Back

On the left side and in the center.

Front

In which period and group is Nickel found?

Back

Period 4 Group 10.

Front

What are the vertical columns on the periodic table called?

Back

Groups.

Front

What do elements in the same group have in common?

Back

Similar chemical properties and the same number of valence electrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the atomic mass of an element?

Back

It represents the average mass of an element's isotopes.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.