Alkali Metals
Alkaline Earth Metals
Easiest Non-Metals
Halogens
Noble Gases
Tough Non-Metals
Easy Metals
Tough Metals
Have You Even Heard of these?
100

Li

Lithium

100

Be

Beryllium

100

H

Hydrogen

100

F

Fluorine

100

Ne

Neon

100

P

Phosphorus

100

Al

Aluminum

100

Cu

Copper

100

Cr

Chromium

200

Na

Sodium

200

Mg

Magnesium

200

O

Oxygen

200

Cl

Chlorine

200

Ar

Argon

200

Si

Silicon

200

Zn

Zinc

200

Fe

Iron

200

W

Tungsten

300

K

Potassium

300

Ca

Calcium

300

C

Carbon

300

Br

Bromine

300

Kr

Krypton

300

B

Boron

300

Ni

Nickel

300

Ag

Silver

400

Sr

Strontium

400

N

Nitrogen

400

I

Iodine

400

Xe

Xenon

400

Sb

Antimony

400

U

Uranium

400

Sn

Tin

500

Ba

Barium

500

S

Sulfur (Sulphur)

500

He

Helium

500

Co

Cobalt

500

Au

Gold

600

Pb

Lead

700

Hg

Mercury

M
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