What is the Periodic Table?

HO How many elements are in this chemical symbol?

2 elements

KNaCl How many elements are in this chemical symbol?

3 elements

Atomic Number

The number in the top left corner of each element on the Periodic Table.

Columns mean

Vertical Rows. Up and down

All of the elements in the same column

Elements that have the same chemical properties

Atomic number is

The number of Protons

What do copper silver and gold all have in common (#29, 47, 79)

The same chemical properties because there are in the same column

The Green Elements in THIS periodic table. These elements are on the left side of the periodic table.

Which Elements are metals

The last column on the right!

Which elements are Noble Gasses

These elements are along the "Diagonal" on the periodic table.

Which elements are metaloids

The tan colored elements. These elements are on the right side of the periodic table (but not the right most column).

Which elements are non metals

How the periodic table is organized

by the atomic number