ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
Molybdenum Mo 42 Transition metal the Greek molybdos meaning 'lead' 6 5 95.95 0.01 10.22 2896.00 4912.00 0.25 2.16 1.20
Krypton Kr 36 Noble gas the Greek kryptos, 'hidden' 18 4 83.80 0.00 0.00 115.79 119.93 0.25 3.00 0.00
Palladium Pd 46 Transition metal the then recently discovered asteroid Pallas, considered a planet at the time 10 5 106.42 0.01 12.02 1828.05 3236.00 0.24 2.20 0.02
Rhodium Rh 45 Transition metal the Greek rhodos, meaning 'rose coloured' 9 5 102.91 0.00 12.41 2237.00 3968.00 0.24 2.28 0.00
Caesium Cs 55 Alkali metal the Latin caesius, 'sky blue' 1 6 132.91 0.00 1.87 301.59 944.00 0.24 0.79 3.00
Ruthenium Ru 44 Transition metal Ruthenia, the New Latin name for Russia 8 5 101.07 0.02 12.37 2607.00 4423.00 0.24 2.20 0.00
Gadolinium Gd 64 Lan­thanide Johan Gadolin, chemist, physicist and mineralogist 6 157.25 0.03 7.90 1585.00 3546.00 0.24 1.20 6.20
Silver Ag 47 Transition metal English word (argentum in Latin) 11 5 107.87 0.00 10.50 1234.93 2435.00 0.24 1.93 0.08
Indium In 49 Post-​transition metal indigo 13 5 114.82 0.00 7.31 429.75 2345.00 0.23 1.78 0.25
Cadmium Cd 48 Post-​transition metal the New Latin cadmia, from King Kadmos 12 5 112.41 0.00 8.69 594.22 1040.00 0.23 1.69 0.16