ଗନ୍ଧକ (English: Sulfur ବା Sulphur; ସଲ୍ଫର୍) ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ S ଓ ପରମାଣୁ କ୍ରମାଙ୍କ ୧୬ । ଏହା ପ୍ରଚୁର ପରିମାଣରେ ମିଳୁଥିବା ଏକ ଅଧାତୁ ।
Quick facts ସାଧାରଣ ଗୁଣ, ନାମ, ପ୍ରତୀକ ...
Sulfur, 16S |
 Spectral lines of sulfur |
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ନାମ, ପ୍ରତୀକ | sulfur, S |
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Appearance | lemon yellow sintered microcrystals |
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ଉଚ୍ଚାରଣ | SUL-fər |
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ପରମାଣୁ କ୍ରମାଙ୍କ (Z) | 16 |
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ଶ୍ରେଣୀ, ବ୍ଳକ | group 16 (chalcogens), p-block |
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ପର୍ଯ୍ୟାୟ | period 3 |
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ମୌଳିକ ପ୍ରକାର | nonmetal |
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ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar) | 32.06(1) |
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ଇଲେକ୍ଟ୍ରୋନ୍ ବିନ୍ୟାସ | [Ne] 3s2 3p4 |
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per shell | 2, 8, 6 |
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ଅବସ୍ଥା | solid |
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ଗଳନାଙ୍କ | 388.36 K (115.21 °C, 239.38 °F) |
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ସ୍ଫୁଟନାଙ୍କ | 717.8 K (444.6 °C, 832.3 °F) |
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Density near r.t. | (alpha) 2.07 g/cm3 (beta) 1.96 g/cm3 (gamma) 1.92 g/cm3 |
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when liquid, at m.p. | 1.819 g/cm3 |
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Critical point | 1314 K, 20.7 MPa |
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Heat of fusion | (mono) 1.727 kJ/mol |
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Heat of | (mono) 45 kJ/mol |
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Molar heat capacity | 22.75 J/(mol·K) |
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pressure
P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
at T (K) |
375 |
408 |
449 |
508 |
591 |
717 |
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Oxidation states | 6, 5, 4, 3, 2, 1, -1, -2 strongly acidic oxide |
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Electronegativity | Pauling scale: 2.58 |
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energies | (more) |
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Covalent radius | 105±3 pm |
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Van der Waals radius | 180 pm |
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Crystal structure | orthorhombic |
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Thermal conductivity | (amorphous) 0.205 W/(m·K) |
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Electrical resistivity | (amorphous) 2×1015 Ω·m (at 20 °C) |
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Magnetic ordering | diamagnetic[୧] |
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Bulk modulus | 7.7 GPa |
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Mohs hardness | 2.0 |
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CAS Number | 7704-34-9 |
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ଆବିଷ୍କାର | Chinese[୨] (Before 2000BC) |
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Recognized as an element by | Antoine Lavoisier (1777) |
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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 |
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| references |
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