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H
Hydrogen
He
Helium
P
Phosphorus
Cl
Chlorine
O
Oxygen
Ne
Neon
Na
Sodium
Li
Lithium
Sr
Strontium
Ca
Calcium
Cs
Cesium
Xe
Xenon
Os
Osmium
Ta
Tantalum
Ir
Iridium
Au
Gold
Nb
Niobium
Tc
Technitium
Pb
Lead
Tl
Thallium
W
Tungsten
Hg
Mercury
Sb
Antimony
Sn
Tin
Re
Rhenium