Chemical Element Symbols

The chemical symbols of the first 20 elements of the periodic table, from hydrogen (H) to calcium (Ca), with atomic numbers, atomic weights, electron configurations and common compounds.

All 20 chemical element symbols

Reference table

SymbolNameCodeLaTeX
HHydrogenZ=1\ce{H}
HeHeliumZ=2\ce{He}
LiLithiumZ=3\ce{Li}
BeBerylliumZ=4\ce{Be}
BBoronZ=5\ce{B}
CCarbonZ=6\ce{C}
NNitrogenZ=7\ce{N}
OOxygenZ=8\ce{O}
FFluorineZ=9\ce{F}
NeNeonZ=10\ce{Ne}
NaSodiumZ=11\ce{Na}
MgMagnesiumZ=12\ce{Mg}
AlAluminumZ=13\ce{Al}
SiSiliconZ=14\ce{Si}
PPhosphorusZ=15\ce{P}
SSulfurZ=16\ce{S}
ClChlorineZ=17\ce{Cl}
ArArgonZ=18\ce{Ar}
KPotassiumZ=19\ce{K}
CaCalciumZ=20\ce{Ca}