Chemical Elements 118

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Element ▼ Symbol Atomic number Chemical property Origin o the name Group Period Atomic weight (u)
Helium He 2 Noble gas the Greek helios, 'sun' 18 1 4.002602
Hassium Hs 108 Transition metal Hesse, Germany, where the element was first synthesized 8 7
Hafnium Hf 72 Transition metal Hafnia, the New Latin name for Copenhagen 4 6 178.49
Gold Au 79 Transition metal English word (aurum in Latin) 11 6 196.966569
Germanium Ge 32 Metalloid Germania, the Latin name for Germany 14 4 72.63
Gallium Ga 31 Post-​transition metal Gallia, the Latin name for France 13 4 69.723
Gadolinium Gd 64 Lan­thanide Johan Gadolin, chemist, physicist and mineralogist 6 157.25
Francium Fr 87 Alkali metal Francia, the New Latin name for France 1 7
Fluorine F 9 Reactive nonmetal the Latin fluere, 'to flow' 17 2 18.998403
Flerovium Fl 114 Unknown chemical properties Flerov Laboratory of Nuclear Reactions, part of JINR where the element was synthesized; itself named for Georgy Flyorov, physicist 14 7
Fermium Fm 100 Actinide Enrico Fermi, physicist 7
Europium Eu 63 Lan­thanide Europe 6 151.964
Erbium Er 68 Lan­thanide Ytterby, Sweden 6 167.259
Einsteinium Es 99 Actinide Albert Einstein, physicist 7
Dysprosium Dy 66 Lan­thanide the Greek dysprositos, 'hard to get' 6 162.5
Dubnium Db 105 Transition metal Dubna, Russia 5 7
Darmstadtium Ds 110 Unknown chemical properties Darmstadt, Germany, where the element was first synthesized 10 7
Curium Cm 96 Actinide Pierre Curie, a physicist, and Marie Curie, a physicist and chemist, named after great scientists by analogy with gadolinium 7
Copper Cu 29 Transition metal English word (Latin cuprum) 11 4 63.546
Copernicium Cn 112 Post-​transition metal Nicolaus Copernicus, astronomer 12 7
Cobalt Co 27 Transition metal the German word Kobold, 'goblin' 9 4 58.933194
Chromium Cr 24 Transition metal the Greek chroma, 'color' 6 4 51.9961
Chlorine Cl 17 Reactive nonmetal the Greek chloros, 'greenish yellow' 17 3 35.45
Cerium Ce 58 Lan­thanide the then recently discovered asteroid Ceres, considered a planet at the time 6 140.116
Carbon C 6 Reactive nonmetal the Latin carbo, 'coal' 14 2 12.011