aluminum

Al

gold

Au

oxygen

O

argon

Ar

helium

He

phosphorus

P

barium

Ba

hydrogen

H

platinum

Pt

beryllium

Be

iodine

I

potassium

K

boron

B

iron

Fe

silicon

Si

bromine

Br

lead

Pb

silver

Ag

cadmium

Cd

lithium

Li

sodium

Na

calcium

Ca

magnesium

Mg

strontium

Sr

carbon

C

manganese

Mn

sulfur

S

chlorine

Cl

mercury

Hg

tin

Sn

chromium

Cr

neon

Ne

uranium

U

copper

Cu

nickel

Ni

xenon

Xe

fluorine

F

nitrogen

N

zinc

Zn