Métal de Transition
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Métaux des Groupes 3-12 avec des orbitales d partiellement remplies. Ils présentent des états d'oxydation variables, forment des composés colorés et servent souvent de catalyseurs. Il s'agit de la plus grande catégorie d'éléments du tableau périodique.
21
Solid
Sc
Scandium
44,956 u
MP: 1540.8 °C
BP: 2835.8 °C
22
Solid
Ti
Titanium
47,867 u
MP: 1667.8 °C
BP: 3286.8 °C
23
Solid
V
Vanadium
50,942 u
MP: 1909.8 °C
BP: 3406.8 °C
24
Solid
Cr
Chromium
51,996 u
MP: 1906.8 °C
BP: 2670.8 °C
25
Solid
Mn
Manganese
54,938 u
MP: 1245.8 °C
BP: 2060.8 °C
26
Solid
Fe
Iron
55,845 u
MP: 1537.8 °C
BP: 2860.8 °C
27
Solid
Co
Cobalt
58,933 u
MP: 1494.8 °C
BP: 2926.8 °C
28
Solid
Ni
Nickel
58,693 u
MP: 1454.8 °C
BP: 2729.8 °C
29
Solid
Cu
Copper
63,546 u
MP: 1084.6 °C
BP: 2561.8 °C
30
Solid
Zn
Zinc
65,38 u
MP: 419.5 °C
BP: 906.9 °C
39
Solid
Y
Yttrium
88,906 u
MP: —
BP: —
40
Solid
Zr
Zirconium
91,224 u
MP: —
BP: —
41
Solid
Nb
Niobium
92,906 u
MP: —
BP: —
42
Solid
Mo
Molybdenum
95,95 u
MP: —
BP: —
43
Solid
Tc
Technetium
97,0 u
MP: —
BP: —
44
Solid
Ru
Ruthenium
101,07 u
MP: —
BP: —
45
Solid
Rh
Rhodium
102,91 u
MP: —
BP: —
46
Solid
Pd
Palladium
106,42 u
MP: —
BP: —
47
Solid
Ag
Silver
107,87 u
MP: —
BP: —
48
Solid
Cd
Cadmium
112,41 u
MP: —
BP: —
72
Solid
Hf
Hafnium
178,49 u
MP: —
BP: —
73
Solid
Ta
Tantalum
180,95 u
MP: —
BP: —
74
Solid
W
Tungsten
183,84 u
MP: —
BP: —
75
Solid
Re
Rhenium
186,21 u
MP: —
BP: —
76
Solid
Os
Osmium
190,23 u
MP: —
BP: —
77
Solid
Ir
Iridium
192,22 u
MP: —
BP: —
78
Solid
Pt
Platinum
195,08 u
MP: —
BP: —
79
Solid
Au
Gold
196,97 u
MP: —
BP: —
80
Liquid
Hg
Mercury
200,59 u
MP: —
BP: —
104
Solid
Rf
Rutherfordium
267,0 u
MP: —
BP: —
105
Solid
Db
Dubnium
268,0 u
MP: —
BP: —
106
Solid
Sg
Seaborgium
269,0 u
MP: —
BP: —
107
Solid
Bh
Bohrium
270,0 u
MP: —
BP: —
108
Solid
Hs
Hassium
277,0 u
MP: —
BP: —
Tableau comparatif
| # | Symbole | Nom | Masse (u) | Pt. fusion | Pt. ébullition | Densité | Phase |
|---|---|---|---|---|---|---|---|
| 21 | Sc | Scandium | 44,956 | 1540.8 °C | 2835.8 °C | 2,985 | Solid |
| 22 | Ti | Titanium | 47,867 | 1667.8 °C | 3286.8 °C | 4,506 | Solid |
| 23 | V | Vanadium | 50,942 | 1909.8 °C | 3406.8 °C | 6,11 | Solid |
| 24 | Cr | Chromium | 51,996 | 1906.8 °C | 2670.8 °C | 7,15 | Solid |
| 25 | Mn | Manganese | 54,938 | 1245.8 °C | 2060.8 °C | 7,21 | Solid |
| 26 | Fe | Iron | 55,845 | 1537.8 °C | 2860.8 °C | 7,874 | Solid |
| 27 | Co | Cobalt | 58,933 | 1494.8 °C | 2926.8 °C | 8,9 | Solid |
| 28 | Ni | Nickel | 58,693 | 1454.8 °C | 2729.8 °C | 8,908 | Solid |
| 29 | Cu | Copper | 63,546 | 1084.6 °C | 2561.8 °C | 8,96 | Solid |
| 30 | Zn | Zinc | 65,38 | 419.5 °C | 906.9 °C | 7,134 | Solid |
| 39 | Y | Yttrium | 88,906 | — | — | — | Solid |
| 40 | Zr | Zirconium | 91,224 | — | — | — | Solid |
| 41 | Nb | Niobium | 92,906 | — | — | — | Solid |
| 42 | Mo | Molybdenum | 95,95 | — | — | — | Solid |
| 43 | Tc | Technetium | 97,0 | — | — | — | Solid |
| 44 | Ru | Ruthenium | 101,07 | — | — | — | Solid |
| 45 | Rh | Rhodium | 102,91 | — | — | — | Solid |
| 46 | Pd | Palladium | 106,42 | — | — | — | Solid |
| 47 | Ag | Silver | 107,87 | — | — | — | Solid |
| 48 | Cd | Cadmium | 112,41 | — | — | — | Solid |
| 72 | Hf | Hafnium | 178,49 | — | — | — | Solid |
| 73 | Ta | Tantalum | 180,95 | — | — | — | Solid |
| 74 | W | Tungsten | 183,84 | — | — | — | Solid |
| 75 | Re | Rhenium | 186,21 | — | — | — | Solid |
| 76 | Os | Osmium | 190,23 | — | — | — | Solid |
| 77 | Ir | Iridium | 192,22 | — | — | — | Solid |
| 78 | Pt | Platinum | 195,08 | — | — | — | Solid |
| 79 | Au | Gold | 196,97 | — | — | — | Solid |
| 80 | Hg | Mercury | 200,59 | — | — | — | Liquid |
| 104 | Rf | Rutherfordium | 267,0 | — | — | — | Solid |
| 105 | Db | Dubnium | 268,0 | — | — | — | Solid |
| 106 | Sg | Seaborgium | 269,0 | — | — | — | Solid |
| 107 | Bh | Bohrium | 270,0 | — | — | — | Solid |
| 108 | Hs | Hassium | 277,0 | — | — | — | Solid |