Chemical Elements 118

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Element ▲ Symbol Atomic number Chemical property Origin o the name Group Period Atomic weight (u)
Curium Cm 96 Actinide Pierre Curie, a physicist, and Marie Curie, a physicist and chemist, named after great scientists by analogy with gadolinium 7
Darmstadtium Ds 110 Unknown chemical properties Darmstadt, Germany, where the element was first synthesized 10 7
Dubnium Db 105 Transition metal Dubna, Russia 5 7
Dysprosium Dy 66 Lan­thanide the Greek dysprositos, 'hard to get' 6 162.5
Einsteinium Es 99 Actinide Albert Einstein, physicist 7
Erbium Er 68 Lan­thanide Ytterby, Sweden 6 167.259
Europium Eu 63 Lan­thanide Europe 6 151.964
Fermium Fm 100 Actinide Enrico Fermi, physicist 7
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
Fluorine F 9 Reactive nonmetal the Latin fluere, 'to flow' 17 2 18.998403
Francium Fr 87 Alkali metal Francia, the New Latin name for France 1 7
Gadolinium Gd 64 Lan­thanide Johan Gadolin, chemist, physicist and mineralogist 6 157.25
Gallium Ga 31 Post-​transition metal Gallia, the Latin name for France 13 4 69.723
Germanium Ge 32 Metalloid Germania, the Latin name for Germany 14 4 72.63
Gold Au 79 Transition metal English word (aurum in Latin) 11 6 196.966569
Hafnium Hf 72 Transition metal Hafnia, the New Latin name for Copenhagen 4 6 178.49
Hassium Hs 108 Transition metal Hesse, Germany, where the element was first synthesized 8 7
Helium He 2 Noble gas the Greek helios, 'sun' 18 1 4.002602
Holmium Ho 67 Lan­thanide Holmia, the New Latin name for Stockholm 6 164.93033
Hydrogen H 1 Reactive nonmetal composed of the Greek elements hydro- and -gen meaning 'water-forming' 1 1 1.008
Indium In 49 Post-​transition metal indigo 13 5 114.818
Iodine I 53 Reactive nonmetal French iode (after the Greek ioeides, 'violet') 17 5 126.90447
Iridium Ir 77 Transition metal Iris, the Greek goddess of the rainbow 9 6 192.217
Iron Fe 26 Transition metal English word (ferrum in Latin) 8 4 55.845
Krypton Kr 36 Noble gas the Greek kryptos, 'hidden' 18 4 83.798