Le termino metallo de transition (a alicun veces etiam appella un elemento de transition) ha duo significationes possible:
Metallo de transition |
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subclasse de: metallo, serie chimic, substantia simple[*] |
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Commons: Transition metals |
Gruppo | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
Periodo | ||||||||||
4 | 21 Sc | 22 Ti | 23 V | 24 Cr | 25 Mn | 26 Fe | 27 Co | 28 Ni | 29 Cu | 30 Zn |
5 | 39 Y | 40 Zr | 41 Nb | 42 Mo | 43 Tc | 44 Ru | 45 Rh | 46 Pd | 47 Ag | 48 Cd |
6 | 71 Lu | 72 Hf | 73 Ta | 74 W | 75 Re | 76 Os | 77 Ir | 78 Pt | 79 Au | 80 Hg |
7 | 103 Lr | 104 Rf | 105 Db | 106 Sg | 107 Bh | 108 Hs | 109 Mt | 110 Ds | 111 Rg | 112 Cn |
Jensen ha recense le historia del terminos elemento (o metallo) de transition e bloco d. Le parola transition era prime usate pro describer le elementos nunc note como le bloco per e chimio anglese Charles Bury in 1921, qui se refereva a un serie de transition de elementos durante le cambio de un strato interne de electrones (pro exemplo n=3 in le 4te rango del tabella periodic) de un gruppo stabile de 8 a un de 18, o de 18 a 32.
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