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Yero

Yero
All data from the card 33
Ngalan, simbolo, kaiphan
iron, Fe, 26
Kategoriyang elemento
puthaw nga transisyon
Group, period, block
8, 4, d
Gibug-aton sa atomo
55.845(2)
Kontorno sa elektron
[Ar] 3d6 4s22, 8, 14, 2 Electron shells of iron (2, 8, 14, 2)
Pagkadiskobre
before 5000 BC
Phase
magahi
Density (near r.t.)
7.874 g·cm−3
Liquid density at m.p.
6.98 g·cm−3
Melting point
1811 K, 1538 °C, 2800 °F
Boiling point
3134 K, 2862 °C, 5182 °F
Heat of fusion
13.81 kJ·mol−1
Heat of vaporization
340 kJ·mol−1
Molar heat capacity
25.10 J·mol−1·K−1
Oxidation states
6, 5, 4, 3, 2, 1, -1, -2(amphoteric oxide)
Electronegativity
1.83 (Pauling scale)
Ionization energies(more)
1st: 762.5 kJ·mol−1
Atomic radius
126 pm
Covalent radius
132±3 (low spin), 152±6 (high spin) pm
Crystal structure
body-centered cubic a=286.65 pm;
Magnetic ordering
ferromagnetic
Electrical resistivity
(20 °C) 96.1 nΩ·m
Thermal conductivity
80.4 W·m−1·K−1
Thermal expansion
(25 °C) 11.8 µm·m−1·K−1
Speed of sound (thin rod)
(r.t.) (electrolytic)5120 m·s−1
Young's modulus
211 GPa
Shear modulus
82 GPa
Bulk modulus
170 GPa
Poisson ratio
0.29
Mohs hardness
4
Vickers hardness
608 MPa
Brinell hardness
490 MPa
CAS registry number
7439-89-6

Ang yero o puthaw (Iningles iron) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Fe ug kaiphan nga atomik 26. Ang yero mao ang puthaw nga transisyon.

Galeriya sa hulagway

5 images

Read next

Estronsyo Bismuto Nikil Fe Kalsiyum Titanyo

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