This is an alphabetical list of elements by atomic symbol. Elements without a known symbol are not listed here.

Symbol Element Name Number Weight Source
Ab chico 55 TNG: "Rascals"
Ac accurentum 108 TNG: "Rascals"
Ag silver 47 TOS: "The Naked Time"
Al aluminum 13 Star Trek IV: The Voyage Home
Al smutkoian 66 TNG: "Rascals"
An neskoromnium 19 TNG: "Rascals"
Ar argon 18 TNG: "The Chase"
Ar dentium 87 TNG: "Rascals"
At astatine 85 DS9: "Paradise"
Au gold 79 TOS: "The Devil in the Dark"
B boron 05 DS9: "Blaze of Glory"
Ba babaloo 68 TNG: "Rascals"
Ba barium 56 VOY: "Tuvix"
Be beium 04 TNG: "Rascals"
Be beryllium 04 TOS: "I, Mudd"
Bi thomsonian 55 TNG: "Rascals"
Br bermanium 87 TNG: "Rascals"
Br brownfieldium 164 TNG: "Rascals"
Br yacobian 39 TNG: "Rascals"
Bu bugsonian 120 TNG: "Rascals"
C carbon 06 TOS: "The Omega Glory"
Ca calcium 20 TOS: "The Omega Glory"
Ca californium 19 TNG: "Rascals"
Ca hobbes 01 TNG: "Rascals"
Ca paramount 23 TNG: "Rascals"
Cd cadmium 48 TNG: "Home Soil"
Cd meeseian 189 TNG: "Rascals"
Ce cerium 58 TOS: "The Devil in the Dark"
Cf californium 98 TNG: "Rascals"
Ch jonesium 87 TNG: "Rascals"
Cl chlorine 17 TOS: "The Man Trap"
CO cavorite 89 TNG: "Rascals"
Co cobalt 27 TNG: "Conundrum"
Cr chromium 24 TNG: "The Best of Both Worlds"
Cr curly 90 TNG: "Rascals"
Cs cosmoium 37 TNG: "Rascals"
Cs hydrogen 01 TNG: "Rascals"
Cu copper 29 TOS: "The Man Trap"
D deuterium 01 TNG: "Heart of Glory"
D antideuterium 01 TNG: "Night Terrors"
Da daffyduckium 87 TNG: "Rascals"
Da duckdodgers 189 TNG: "Rascals"
Di princessium 77 TNG: "Rascals"
Dt dilithium 87 TOS: "Journey to Babel"
Dy disneyium 87 TNG: "Rascals"
Dy dysprosium 66 TNG: "Manhunt"
Ed chanockian 66 TNG: "Rascals"
Ef hawkeye 87 TNG: "Rascals"
Er erbium 68 TNG: "Manhunt"
Es einsteinium Star Trek IV: The Voyage Home
Es estonianium 39 or 84 TNG: "Rascals"
Eu europium 63 TNG: "Manhunt"
F fluorine 09 TNG: "Interface"
Fe iron 26 TOS: "The Squire of Gothos"
Fr franconium 87 TNG: "Rascals"
Fr freedonia 32 TNG: "Rascals"
Fx chronister 55 TNG: "Rascals"
Gd gadolinium 64 TNG: "Manhunt"
Ge germanium 32 TNG: "Home Soil"
H hydrogen 01 01 TOS: "The Alternative Factor"
He helium 02 TNG: "Masks"
Hg mercury 80 TOS: "The Galileo Seven"
Hg redskinium 92 TNG: "Rascals"
Ho holmium 67 TNG: "Manhunt"
Ir iridium 77 TOS: "Bread and Circuses"
K potassium 19 TOS: "The Omega Glory"
K sodium 19 TNG: "Rascals"
Ke keiyurium 22 TNG: "Rascals"
Kr krypton 36 TOS: "The Galileo Seven"
Kr kryptonite 01 TNG: "Rascals"
La stoogeian 19 TNG: "Rascals"
Li lithium 03 03 TOS: "Where No Man Has Gone Before"
Ma stimsonium 87 TNG: "Rascals"
Md hawkeye 87 TNG: "Rascals"
Mg magnesium 12 TNG: "The Best of Both Worlds"
Mg magnumium PI 12 TNG: "Rascals"
Mi pillerium 55 TNG: "Rascals"
Mn manganese 25 TNG: "The Best of Both Worlds"
Mo molybdenum 42 TNG: "The Most Toys"
Mo stoogeium 10 TNG: "Rascals"
Mr groucho 22 TNG: "Rascals"
Mx grouchoian 87 TNG: "Rascals"
Mx harpo 88 TNG: "Rascals"
Mx zeppo 87 TNG: "Rascals"
N nitrogen 07 TOS: "The Cage"
Na sodium 11 11 TNG: "Home Soil"
Nd neodymium 60 DS9: "In the Cards"
Ne neon 10 TOS: "The Galileo Seven"
Ni nickel 28 TOS: "Metamorphosis"
O oxygen 08 TOS: "The Cage"
Os osmium 76 TOS: "That Which Survives"
P phosphorus 15 TOS: "The Omega Glory"
Pb lead 82 TOS: "Where No Man Has Gone Before"
Po poi 230 TNG: "Rascals"
Pt platinum 78 TOS: "The City on the Edge of Forever"
Pu plutonium 94 TNG: "Night Terrors"
Py monty 87 TNG: "Rascals"
Qk quarkian 37 TNG: "Rascals"
Qu potatoeium 70 TNG: "Rascals"
Ra johnsonium 99 TNG: "Rascals"
Rb rhubarbium 37 TNG: "Rascals"
Rb rubidium 37 VOY: "Think Tank"
Rh rhodium 45 DS9: "For the Uniform"
Ri craftium 92 TNG: "Rascals"
Rj jamesium 123 TNG: "Rascals"
Rx mazdaium 32 TNG: "Rascals"
S sulfur 16 TOS: "Arena"
Se selenium 34 TNG: "Final Mission"
Si silicon 14 TOS: "The Devil in the Dark"
Sm samarium 62 TNG: "Manhunt"
Sn exitstageleft 87 TNG: "Rascals"
Sn snarkium 56 TNG: "Rascals"
Sn tin 50 VOY: "Muse"
St tngonian 77 TNG: "Rascals"
Sw cheeseium 87 TNG: "Rascals"
Sy sufferin'sucat 55 TNG: "Rascals"
T tritium DS9: "When It Rains..."
Tb terbium 65 TNG: "Manhunt"
Th thorium 90 DS9: "The Siege"
Ti titanium 22 TOS: "I, Mudd"
Tl thallium 81 TNG: "Who Watches The Watchers"
Tm purseronite 66 TNG: "Rascals"
Tx averyonium 55 TNG: "Rascals"
U uranium 92 TOS: "The Devil in the Dark"
W tungsten 74 VOY: "Investigations"
Wc fieldium 100 TNG: "Rascals"
Wy drapanas 156 TNG: "Rascals"
Xe xenon 54 TNG: "Legacy"
Yb ytterbium 70 DS9: "Our Man Bashir"
Ym yominium Star Trek IV: The Voyage Home
Zn zinc 30 TOS: "The City on the Edge of Forever"