Arsenik (As)

General Properties

Symbol As
Atomic Number 33
Atomic Weight 74.9216
Group
15 (nitrogen family)
VB (IUPAC), VA (CAS)
Solid, Diamagnetic, Conductor, Metal, Stable, Natural, Metalloid
Period 4
Block p

Physical Properties

Density 5.73 g/cm3
Atomic Volume 13.1 cm3/mole
Atomic Radius 1.39 angstroms
Covalent Radius 119 pm
Crust Abundance 0.00021%
Crystal Structure Rhombohedral
Color Silver

Energy

Electronegativity 2.2 (Pauling Scale)
Electron Affinity 78 kJ/mol
1st Ionization Energy 947 kJ/mol
2. Ionization Energy 1798 kJ/mol
3. Ionization Energy 2735 kJ/mol
4. Ionization Energy 4837 kJ/mol
5. Ionization Energy 6043 kJ/mol
6. Ionization Energy 12310 kJ/mol
Specific Heat Capacity 0.33 J g−1 K−1
Thermal Conductivity 50.0 W·m−1·K−1

Electrons & Oxidation

Oxidation States ±3,+5
Electrons Per Shell 2 8 18 5
Electron Configuration [Ar] 3d10 4s2 4p3
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Orbital Diagram
1s
↿⇂
2s
↿⇂
2p
↿⇂
↿⇂
↿⇂
3s
↿⇂
3p
↿⇂
↿⇂
↿⇂
3d
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
4s
↿⇂
4p
↿ 
↿ 
↿ 
4d
 
 
 
 
 
4f
 
 
 
 
 
 
 

Nuclear

Radioactive No

Media

Planetary Bohr Model of Arsenik (As)
Lewis Dot Diagram of Arsenik (As)
Description
Steel-gray, brittle semi-metal.
Uses
Many of its compounds are deadly poison and used as weed killer and rat poison. Conducts electricity. Used in semiconductors. Some compounds, called arsenides, are used in the manufacture of paints, wallpapers, and ceramics.
Sources
Found in mispickel (arsenopyrite)
Pronounciation (English)
AR-s'n-ik

Translations

Afrikaans Arseen
Aragonese Arsén
العربية زرنيخ
Armãneashte Aresenu
asturianu Arsénicu
azərbaycan dili Arsen
български Арсен
বাংলা আর্সেনিক
brezhoneg Arsenik
bosanski Arsen
Byelorussian Мыш'як
Cebuano Arsenico
čeština Arzen
Chuvash Мышьяк
Cymraeg Arsènic
dansk Arsen
Deutsch Arsen
Ελληνικά Αρσενικο
English Arsenic
esperanto Arseno
español Arsénico
eesti Arseen
euskara Artsenikoa
فارسی آرسنیک
suomi Arseeni
føroyskt Arsenikk
français Arsenic
furlan Arsenic
West-Frysk Arsenikum
Gaeilge Airsnic, Arsnaig, Arsanaic
Gàidhlig Arsanaic
galego Arsénico
ગુજરાતી આર્સેનિકનો
Gaelg Arsnick
Hakka Chinese Sṳ̂n (砷)
עברית ארסן
हिन्दी आर्सेनिक
hrvatski Arsen
magyar Arzén
հայերեն Արսեն
Indonesia Arsen
íslenska Arsen
italiano Arsenico
日本語 ヒ素
ქართული დარიშხბანი
کٲشُر Arsén
қазақ тілі Мышъяк
한국어 비소
Kurdish Arsenik
Komi Еджыд из
kernewek Arsenyk
кыргызча Мышъяк
Latin Arsenicum
Lëtzebuergesch Arsen
Lombard Arsénich
lingála Aseni
lietuvių Arsenas
latviešu Arsēns
Mari Наргӱмыж
Maori Ateniki
македонски Арсен
മലയാളം ആര്‍സെനിക്
монгол Мишьяк
Мокшан Суляма
Bahasa Melayu Arsenik, ²Arsen
Malti Arsenik, ²Arseniku
Nahuatl Arsénico
Nederlands Arseen
norsk Arsen
Occitan Arsenic
ирон Мышъяк
polski Arsen
português Arsénic
Runasimi Arsiniku
română Arsen
русский Мышьяк
slovenčina Arzén
slovenščina Arzen
Samoan Arsenikumi
Samogitian Arsens
shqip Arseni[k]
српски Арсен
Southern Sotho Arseniki
svenska Arsenik
Kiswahili Aseniki
தமிழ் ஆர்செனிக்
Tajik Арсен
ไทย สารหนู
Türkçe Arsenik
ئۇيغۇرچە ئارسېن
українська Міш'як
o‘zbek Margimush
Tiếng Việt Asen
Võro Arseen
中文

History

Discovered In
Discovered By
Discovered At
Word Origin
From the Greek word "arsenikon" meaning "yellow orpiment"