- Some properties of the transition elements
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▪ TableSome properties of the transition elementssymbol atomic number atomic mass density (grams per cubic centimetre, 20 °C) melting point (°C)1 boiling point (°C)11st main seriestitanium Ti 22 47.90 4.507 1,668 3,260vanadium V 23 50.94 6.11 1,890 3,000chromium Cr 24 52.01 7.19 1,875 2,199manganese Mn 25 54.938 7.44 1,244 (3) 2,097iron Fe 26 55.847 7.873 1,536 (1) 3,000cobalt Co 27 58.94 8.90 1,493 3,100nickel Ni 28 58.71 8.908 1,453 2,730copper Cu 29 63.54 8.94 1,083 2,5822nd main serieszirconium Zr 40 91.22 6.506 1,850 4,377niobium Nb 41 92.91 8.58 2,468 (10) 4,927molybdenum Mo 42 95.94 10.22 2,610 5,560technetium Tc 43 2 11.49 2,170 5,030ruthenium Ru 44 101.1 12.45 2,310 (20) 4,080 (100)rhodium Rh 45 102.91 12.41 1,960 3,700palladium Pd 46 106.4 12.02 1,552 2,020silver Ag 47 107.870 10.5 960.8 2,2103rd main serieshafnium Hf 72 178.50 13.29 2,230 5,200tantalum Ta 73 180.95 16.65 2,996 5,427tungsten W 74 183.85 19.3 3,410 5,930rhenium Re 75 186.22 21.04 3,170 5,630osmium Os 76 190.2 22.61 3,050 (30) 5,020 (100)iridium Ir 77 192.2 22.65 2,443 4,500platinum Pt 78 195.09 21.45 1,769.3 4,100gold Au 79 196.967 19.32 1,063 2,808type of crystal packing3 electrical resistivity (microhm-centimetres) heat of atomization, at 298 °C, kilojoules per mole 1st ionization potential electron volts1st main seriestitanium hcp, bcc 42 (0 °C) 473 6.82vanadium bcc 24.8 (20 °C) 515 6.74chromium bcc, hcp 12.9 (20 °C) 397 6.763manganese complex 185 (20 °C) 281 7.432iron ccp, bcc 9.71 (20 °C) 416 7.90cobalt ccp, hcp 5.68 (0 °C) 425 7.86nickel ccp, hcp 6.84 (20 °C) 430 7.633copper ccp 1.68 (20 °C) 339 7.7242nd main serieszirconium bcc, hcp 40.0 (0 °C) 611 6.984niobium bcc 15.22 (0 °C) 774 6.88molybdenum bcc, hcp 7.2 (0 °C) 659 7.10technetium hcp 649 7.28ruthenium hcp, ccp 6.71 (0 °C) 669 7.364rhodium ccp 4.33 (0 °C) 577 7.46palladium ccp 9.93 (0 °C) 381 8.33silver ccp 0.616 (0 °C) 286 7.5743rd main serieshafnium hcp, bcc 35.5 (20 °C) 703 7.94tantalum bcc 13.6 (0 °C) 781 7.88tungsten bcc, complex 5.5 (20 °C) 837 7.98rhenium hcp 19.14 (0 °C) 791 7.87osmium hcp, ccp 8.12 (0 °C) 728 8.7iridium ccp 4.71 (0 °C) 690 9platinum ccp 9.85 (0 °C) 566 9.0gold ccp 2.06 (0 °C) 368 9.221Uncertainty given in parentheses.2Does not occur in nature. The only isotope that has been obtained on a macroscopic scale has a mass number of 99.3hcp—hexagonal close-packed; ccp—cubic close-packed; bcc—body-centred cubic.4Estimated value; nearly all are estimated or extrapolated values.See as table:
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Universalium. 2010.