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ಕಬ್ಬಿಣ - Wikipedia

ಕಬ್ಬಿಣ

Wikipedia ಇಂದ


26 ಮ್ಯಾಂಗನೀಸ್ಕಬ್ಬಿಣಕೊಬಾಲ್ಟ್
-

Fe

Ru
ಸಾಮಾನ್ಯ ಮಾಹಿತಿ
ಹೆಸರು, ಚಿಹ್ನೆ ಮತ್ತು ಕ್ರಮಾಂಕ ಕಬ್ಬಿಣ, Fe, 26
Chemical series transition metals
ಗುಂಪು, Period, Block 8, 4, d
ಸ್ವರೂಪ ಲೋಹದ ಹೊಳಪು
ಅಣುವಿನ ತೂಕ 55.845(2) g·mol−1
ಋಣವಿದ್ಯುತ್ಕಣ ಜೋಡಣೆ [Ar] 4s2 3d6
ಋಣವಿದ್ಯುತ್ ಪದರಗಳಲ್ಲಿ
ಋಣವಿದ್ಯುತ್ಕಣಗಳು
2, 8, 14, 2
ಭೌತಿಕ ಗುಣಗಳು
ಹಂತ solid
ದ್ರವದ ಸಾಂದ್ರತೆ at m.p. 6.98 g·cm−3
ಕರಗುವ ತಾಪಮಾನ 1811 K
(1538 °C, 2800 °F)
ಕುದಿಯುವ ತಾಪಮಾನ 3134 K
(2862 °C, 5182 °F)
Heat of fusion 13.81 kJ·mol−1
Heat of vaporization 340 kJ·mol−1
Heat capacity (25 °C) 25.10 J·mol−1·K−1
ಆವಿಯ ಒತ್ತಡ
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 1728 1890 2091 2346 2679 3132
ಅಣುವಿನ ಗುಣಗಳು
Crystal structure body-centered cubic
a=286.65 pm;
face-centered cubic
between 1185–1667 K
Oxidation states 6, 5 [1], 4, 3, 2, 1 [2]
(amphoteric oxide)
Electronegativity 1.83 (Pauling scale)
Ionization energies
(more)
1st: 762.5 kJ·mol−1
2nd: 1561.9 kJ·mol−1
3rd: 2957 kJ·mol−1
ಅಣುವಿನ ವಾಸಾರ್ಧ 140 pm
ಅಣುವಿನ ವಾಸಾರ್ಧ (ಲೆಖ್ಕಿತ.) 156 pm
Covalent radius 125 pm
Miscellaneous
Magnetic ordering ferromagnetic
1043 K
Electrical resistivity (20 °C) 96.1 nΩ·m
Thermal conductivity (300 K) 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 4.0
Vickers hardness 608 MPa
Brinell hardness 490 MPa
CAS registry number 7439-89-6
References

ಕಬ್ಬಿಣ ಒಂದು ಮೂಲವಸ್ತು. ಮಾನವರಿಗೆ ತಿಳಿದ ಪ್ರಾಚೀನ ಲೋಹಗಳಲ್ಲಿ ಕಬ್ಬಿಣವೂ ಒಂದು. ತನ್ನ ಶುದ್ಧ ರೂಪದಲ್ಲಿ ಬೆಳ್ಳಿಯಂತೆ ಹೊಳಪುಳ್ಳ ಬಿಳಿ ಬಣ್ಣದ ಇದು ಶುದ್ಧ ರೂಪದಲ್ಲಿ ದೊರೆಯುವುದೇ ಇಲ್ಲ. ಎಲ್ಲಾ ಜೀವಿಗಳ ಬೆಳವಣಿಗೆಗೆ ಕಬ್ಬಿಣ ಅತ್ಯವಶ್ಯಕವಾಗಿದೆ. ಅಲ್ಯೂಮಿನಿಯಮ್ನಂತೆ ಸುಲಭವಾಗಿ ವಿವಿಧ ರೂಪಗಳಿಗೆ ತರಬಹುದು. ಹೆಚ್ಚಿನ ಮೂಲವಸ್ತುಗಳೊಂದಿಗೆ ರಾಸಾಯನಿಕವಾಗಿ ಸುಲಭವಾಗಿ ಬೆರೆಯುವುದರಿಂದ ವ್ಯಾಪಕವಾಗಿ ಬಳಕೆಯಲ್ಲಿದೆ.

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