H
Hydrogen
He
Helium
Li
Lithium
Be
Beryllium
B
Boron
C
Carbon
N
Nitrogen
O
Oxygen
F
Flourine
Ne
Neon
Na
Sodium
Mg
Magnesium
Al
Aluminum
Si
Silicon
P
Phosphorus
S
Sulfur
Cl
Chlorine
Ar
Argon
K
Potassium
Ca
Calcium
Cr
Chromium
Mn
Manganese
Fe
Iron
Co
Cobalt
Ni
Nickel
Cu
Copper
Zn
Zinc
As
Arsenic
Se
Selenium
Br
Bromine
Kr
Krypton
Ag
Silver
Sn
Tin
I
Iodine
Xe
Xenon
Ba
Barium
Au
Gold
Hg
Mercury
Pb
Lead
Rn
Radon
Fr
Francium
Ra
Radium