CH. 12 REVIEWThe Periodic Table

Elements are placed in certain locations within the periodic table based on their Atomic Number.

A row is also known as a period on the Periodic Table.

The row/ period represents the number of rings or orbitals that around the nucleus of that element.

3 Main Categories on the Periodic Table Metals are found to the left of the zig-

zag line. They are also the MOST abundant group of elements on the periodic table.

Metalloids are found along the zig- zag line.

Non- metals are found to the right of the zig- zag line.

Know How to Find an Element Know that groups/families/columns are

vertical on the Periodic Table. Know that periods are horizontal on the

Periodic Table. So if you were asked to find an element

in period 5 and group 11, what element would it be.

It would be Ag- Silver.

How many protons does it have? Know that is also has 47 Protons.