ଆର୍ସେନିକ

Arsenic, ₃₃As
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ	arsenic, As
Appearance	metallic grey
ଉଚ୍ଚାରଣ	/ˈɑrsɪnɪk/ AR-sə-nik,; also /ɑrˈsɛnɪk/ ar-SEN-ik when attributive
Arsenic in the periodic table
	germanium ← arsenic → selenium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)	33
ଶ୍ରେଣୀ, ବ୍ଳକ	group 15 (pnictogens), p-block
ପର୍ଯ୍ୟାୟ	period 4
ମୌଳିକ ପ୍ରକାର	metalloid
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar)	74.92160(2)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ	[Ar] 4s2 3d10 4p3
per shell	2, 8, 18, 5
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା	solid
Sublimation point	887 K (615 °C, 1137 °F)
Density near r.t.	5.727 g/cm3
when liquid, at m.p.	5.22 g/cm3
Triple point	1090 K, 3628 kPa
Critical point	1673 K, ? MPa
Heat of fusion	(grey) 24.44 kJ/mol
Heat of	? 34.76 kJ/mol
Molar heat capacity	24.64 J/(mol·K)
Atomic properties
Oxidation states	5, 3, 2, 1, -3 mildly acidic oxide
Electronegativity	Pauling scale: 2.18
energies	; (more)
Atomic radius	empirical: 119 pm
Covalent radius	119±4 pm
Van der Waals radius	185 pm
Miscellanea
Crystal structure	trigonal
Thermal conductivity	50.2 W/(m·K)
Electrical resistivity	333 n Ω·m (at 20 °C)
Magnetic ordering	diamagnetic
Young's modulus	8 GPa
Bulk modulus	22 GPa
Mohs hardness	3.5
Brinell hardness	1440 MPa
CAS Number	7440-38-2
ଇତିହାସ
ଆବିଷ୍କାର	Early Bronze Age (2500 BC)
First isolation	Albertus Magnus (1250)
Most stable isotopes of arsenic
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ଆର୍ସେନିକ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ As ଓ ପରମାଣୁ କ୍ରମାଙ୍କ ୩୩ ଅଟେ ।

ବିଷୟସୂଚୀ

↑ Gokcen, N. A (1989). "The As (arsenic) system". Bull. Alloy Phase Diagrams. 10: 11–22. doi:10.1007/BF02882166.
↑ Ellis, Bobby D. (2004). "Stabilized Arsenic(I) Iodide: A Ready Source of Arsenic Iodide Fragments and a Useful Reagent for the Generation of Clusters". Inorganic Chemistry. 43: 5981. doi:10.1021/ic049281s. |first2= missing |last2= (help)
↑ Arsenic, mindat.org
↑ editor-in-chief, David R. Lide. (2000). "Magnetic susceptibility of the elements and inorganic compounds". Handbook of Chemistry and Physics (PDF) (81 ed.). CRC press. ISBN 0849304814.CS1 maint: Extra text: authors list (link)

James G. Whorton (2011). The Arsenic Century. Oxford University Press. ISBN 978-0-19-960599-6.