Reading the Table

Groups/Periods

100

Group 3A Period 3

Aluminum

200

Group 17 Period 7

Tennessine

300

Group 18 Period 1

Helium

400

Group 1A Row 6

Cesium

500

Group 4A Row 6

Lead

Element Name

100

Cerium

Ce

200

Gold

Au

300

Hydrogen

H

400

Krypton

Kr

500

Mercury

Hg

Element Symbol

100

V

Vanadium

200

Ag

Silver

300

At

Astatine

400

Og

Oganesson

500

W

Tungsten

Special Groups on the Table

100

This group is very reactive, and are all metals.

Alkali Metals

200

This group is reactive, but are mostly gasses

Halogens

300

This is a giant block of metals in the middle of the table.

Transition metals

400

These elements don't react very often

Noble Gasses

500

These elements are all radioactive metals

Actinides