First Five
RN and NG
AM and NM
NM and AM
Transition Metals
100

H

Hydrogen

100

C

Carbon

100

Na

Sodium

100

S

Sulfur

100

Sc

Scandium

200

He

Helium

200

N

Nitrogen

200

Mg

Magnesium

200

Cl

Chlorine

200

Ti

Titanium

300

Li

Lithium

300

O

Oxygen

300

Al

Aluminium

300

Ar

Argon

300

V

Vanadium

400

Be

Beryllium

400

F

Fluorine
400
Si
Silicon
400

K

Potassium

400

Cr

Chromium

500

B

Boron

500

Ne

Neon

500

P

Phosphorus

500

Ca

Calcium

500

Mn

Manganese

M
e
n
u