Mangaan [maŋˈɡaːn] as en cheemisk element mä det sümbool Mn an det atoomnumer 25. Mangaan as en salwerwitj an hard auergungsmetal an liket iisen.

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Weitere Informationen paramagneetisk ( ...
Eegenskapen
Algemian
Nööm, Symbool, Numer Mangaan, Mn, 25
Seerie Auergungsmetal
Skööl, Periode, Blook 7, 4, d
Klöör, Skak salwern metalen
CAS-Numer 7439-96-5
Uundial 0,085 %[1]
Atomaar [2]
Atoommase 54,938049 u
Atoomraadius (bereegent) 140 (161) pm
Kovalent-Raadius low-spin: 139 pm, high-spin: 161 pm
Elektroonen [Ar] 3d5 4s2
Energii 4,1 eV[3]
1. Ionisiarang 717,3 kJ/mol
2. Ionisiarang 1509 kJ/mol
3. Ionisiarang 3248 kJ/mol
4. Ionisiarang 4940 kJ/mol
5. Ionisiarang 6990 kJ/mol
6. Ionisiarang 9220 kJ/mol
7. Ionisiarang 11.500 kJ/mol
Füsikaalisk [4]
Tustant fääst
Feranrangen sjauer
Sachthaid 7,43 g/cm3 (25 °C)[5]
Hardhaid 6,0
Magnetismus paramagneetisk (: = 9,0 · 10−4;
: = 8,2 · 10−4)[6]
Smoltponkt 1519 K (1246 °C)
Köögponkt 2373 K[7] K (2100 °C)
Molaar Rüm 7,35 × 10−6 m3/mol
Dampwaremk 225 kJ/mol[7] kJ/mol
Smoltwaremk 13,2 kJ/mol
Faard faan a tuun 5150 m/s bi 293,15 K
Waremk 479,5[1] J/(kg · K)
Elektrisk struumfeerang 6,94 × 105 A/(V · m)
Waremkfeerang 7,8 W/(m · K)
Cheemisk [8]
Oksidatsionstustant 1, 2, 3, 4, (5), 6, 7
Oksiiden MnO, MnO2, Mn2O3, Mn2O7, Mn3O4
Sür of baasisk stark sür
Normoolpotentiaal −1,18 V (Mn2+ + 2 e → Mn)
Elektronegatiwiteet 1,55 (Pauling-Skala)
Isotoopen
Isotoop NH t1/2 Aktiwiteet Energii (MeV) Produkt
52Mn

{syn.}

5,591 d ε 4,712 52Cr
53Mn

ferenkelt

3,74 × 106 a ε 0,597 53Cr
54Mn

{syn.}

312,3 d ε 1,377 54Cr
β 0,697 54Fe
55Mn

100 %

stabiil
56Mn

{syn.}

2,5785 h β 3,695 56Fe
Muar isotoopen bi List faan isotoopen
NMR-Eegenskapen
  Spin (I) γ uun
rad·T−1·s−1
Er(1H) fL bi
B = 4,7 T
uun MHz
55Mn 5/2 6,545 × 107 0,179 24,789
Seekerhaid
GHS-Kääntiaken [9]

Polwer

02 – Braant fiks gau

Üübpaase

H- an P-wäärnang H: 228
EUH: nian EUH-wäärnang
P: 210-240-241-280-370+378 [9]
EU-Gefoorentiaken [9]
Braant gau
Braant gau
(F)
R- an S-wäärnang R: 11 (Polwer)
S: 7-33-43-60 (Polwer)
Miast wurd SI-ianhaiden brükt.
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