Àdàkọ:Infobox súlfúrù

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Súlfúrù
16S
O

S

Se
fósfórùsúlfúrùklorínì
Ìhànsójú
lemon yellow sintered microcrystals


Àwọn ìlà ìgbàjá súlfúrù
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà súlfúrù, S, 16
Ìpèlóhùn /ˈsʌlfər/ SUL-fər
Ẹ̀ka ẹ́límẹ̀nti aláìjẹ́-mẹ́tàlì
Ẹgbẹ́, àsìkò, àdìpò 163, p
Ìwúwo átọ́mù 32.06(1)
Ìtòléra ẹ̀lẹ́ktrónì [Ne] 3s2 3p4
2, 8, 6
Electron shells of sulfur (2, 8, 6)
Ìtàn
Ìwárí Chinese[1] (Before 2000BC)
Recognized as an element by Antoine Lavoisier (1777)
Physical properties
Phase aláralíle
Density (near r.t.) (alpha) 2.07 g·cm−3
Density (near r.t.) (beta) 1.96 g·cm−3
Density (near r.t.) (gamma) 1.92 g·cm−3
Liquid density at m.p. 1.819 g·cm−3
Melting point 388.36 K, 115.21 °C, 239.38 °F
Boiling point 717.8 K, 444.6 °C, 832.3 °F
Critical point 1314 K, 20.7 MPa
Heat of fusion (mono) 1.727 kJ·mol−1
Heat of vaporization (mono) 45 kJ·mol−1
Molar heat capacity 22.75 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 375 408 449 508 591 717
Atomic properties
Oxidation states 6, 5, 4, 3, 2, 1, -1, -2
(strongly acidic oxide)
Electronegativity 2.58 (Pauling scale)
Ionization energies
(more)
1st: 999.6 kJ·mol−1
2nd: 2252 kJ·mol−1
3rd: 3357 kJ·mol−1
Covalent radius 105±3 pm
Van der Waals radius 180 pm
Miscellanea
Crystal structure orthorhombic
Súlfúrù has a orthorhombic crystal structure
Magnetic ordering diamagnetic[2]
Electrical resistivity (20 °C) (amorphous)
2×1015 Ω·m
Thermal conductivity (amorphous)
0.205 W·m−1·K−1
Bulk modulus 7.7 GPa
Mohs hardness 2.0
CAS registry number 7704-34-9
Àwọn ísótòpù dídúró jùlọ
Main article: Àwọn ísótòpù súlfúrù
iso NA half-life DM DE (MeV) DP
32S 95.02% 32S is stable with 16 neutrons
33S 0.75% 33S is stable with 17 neutrons
34S 4.21% 34S is stable with 18 neutrons
35S syn 87.32 d β 0.167 35Cl
36S 0.02% 36S is stable with 20 neutrons
· r

References