Arsenic

	germanium ← arsenic → selenium
Ìfarahàn
	metallic grey;
Àwọn ìní àníkárí
Orúkọ, àmì-ìdámọ̀, nọ́mbà	arsenic, As, 33
Ẹ̀ka apilẹ̀sẹ̀	metalloid
Àdìpọ̀, ìgbà, block	15, 4, p
Ìwúwo átọ́mù	74.92160(2) g·mol−1
Ìtòjọ ẹ̀lẹ́ktrónì	[Ar] 4s2 3d10 4p3
Àwọn ẹ̀lẹ́ktrónì lórí ọ̀nà kan	2, 8, 18, 5 (Image)
Àwọn ìní aláfójúrí
Phase	solid
Kíki (tó súnmọ́ r.t.)	5.727 g·cm−3
Liquid density at m.p.	5.22 g·cm−3
Sublimation point	887 K, 615 °C, 1139 °F
Triple point	1090 K (817°C), 3628 kPa
Critical point	1673 K, ? MPa
Heat of fusion	(grey) 24.44 kJ·mol−1
Heat of vaporization	? 34.76 kJ·mol−1
Specific heat capacity	(25 °C) 24.64 J·mol−1·K−1
Vapor pressure
Atomic properties
Oxidation states	5, 3, 2, 1, -3; (mildly acidic oxide)
Electronegativity	2.18 (Pauling scale)
Ionization energies; (more)	1st: 947.0 kJ·mol−1
	2nd: 1798 kJ·mol−1
	3rd: 2735 kJ·mol−1
Atomic radius	119 pm
Covalent radius	119±4 pm
Van der Waals radius	185 pm
Miscellanea
Crystal structure	rhombohedral
Magnetic ordering	diamagnetic
Electrical resistivity	(20 °C) 333 nΩ·m
Thermal conductivity	(300 K) 50.2 W·m−1·K−1
Young's modulus	8 GPa
Bulk modulus	22 GPa
Mohs hardness	3.5
Brinell hardness	1440 MPa
CAS registry number	7440-38-2
Most stable isotopes
	Main article: Isotopes of arsenic
	w; ọ; a;

Àyọkà yìí tàbí apá rẹ̀ únfẹ́ àtúnṣe sí.

Ẹ le fẹ̀ jù báyìí lọ tàbí kí ẹ ṣàtúnṣe rẹ̀ lọ́nà tí yíò mu kúnrẹ́rẹ́. Ẹ ran Wikipedia lọ́wọ́ láti fẹ̀ẹ́ jù báyìí lọ.

[àtúnṣe] Itokasi

↑ 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.
↑ editor-in-chief, David R. Lide. (2000). "Magnetic susceptibility of the elements and inorganic compounds". Handbook of Chemistry and Physics (81 ed.). CRC press. ISBN 0849304814. http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf.