Arsenic
aspect 33 of regular table is Arsenic with atomic number 33, atomic load 74.9216. Arsenic, prize As, has actually a an easy Trigonal structure and also Silver color. Arsenic is a metalloid element. Trivial name of Arsenic is pentels, pnictogens*. Recognize everything about Arsenic Facts, physics Properties, chemistry Properties, digital configuration, Atomic and Crystal Structure.

Arsenic is a chemical facet with price As and atomic number 33. Arsenic occurs in many minerals, generally in conjunction v sulfur and metals, and likewise as a pure element crystal. Arsenic is a metalloid.
You are watching: Electron configuration of arsenic (as).
Arsenic Facts
Read crucial information and also facts about element Arsenic
name | Arsenic |
atom Number | 33 |
atom Symbol | As |
Atomic weight | 74.9216 |
step | Solid |
color | Silver |
Classification | metalloid |
group in routine Table | 15 |
Group Name | nitrogen household |
duration in regular Table | 4 |
Block in periodic Table | p-block |
Electronic Configuration | |
Melting allude | 817 °C |
Boiling allude | 614 °C |
Electronic shell Structure | <2, 8, 18, 5> |
CAS Number | CAS7440-38-2 |
community
14
Si
15
P
16
S
32
Ge
33
As
34
Se
50
Sn
51
Sb
52
Te
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
1 | 1 H 2 He | |||||||||||||||||
2 | 3 Li 4 Be 5 B 6 C 7 N 8 O 9 F 10 Ne | |||||||||||||||||
3 | 11 Na 12 Mg 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar | |||||||||||||||||
4 | 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 31 Ga 32 Ge 33 As 34 Se 35 Br 36 Kr | |||||||||||||||||
5 | 37 Rb 38 Sr 39 Y 40 Zr 41 Nb 42 Mo 43 Tc 44 Ru 45 Rh 46 Pd 47 Ag 48 Cd 49 In 50 Sn 51 Sb 52 Te 53 I 54 Xe | |||||||||||||||||
6 | 55 Cs 56 Ba 72 Hf 73 Ta 74 W 75 Re 76 Os 77 Ir 78 Pt 79 Au 80 Hg 81 Tl 82 Pb 83 Bi 84 Po 85 At 86 Rn | |||||||||||||||||
7 | 87 Fr 88 Ra 104 Rf 105 Db 106 Sg 107 Bh 108 Hs 109 Mt 110 Ds 111 Rg 112 Cn 113 Nh 114 Fl 115 Mc 116 Lv 117 Ts 118 Og | |||||||||||||||||
Lanthanides | 57 La 58 Ce 59 Pr 60 Nd 61 Pm 62 Sm 63 Eu 64 Gd 65 Tb 66 Dy 67 Ho 68 Er 69 Tm 70 Yb 71 Lu | |||||||||||||||||
Actinide | 89 Ac 90 Th 91 Pa 92 U 93 Np 94 Pu 95 Am 96 Cm 97 Bk 98 Cf 99 Es 100 Fm 101 Md 102 No 103 Lr |
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How to locate Arsenic on routine Table
Periodic table is arranged by atomic number, variety of protons in the nucleus which is same as variety of electrons. The atomic number boosts from left to right. Regular table starts at optimal left ( atomic number 1) and also ends at bottom right (atomic number 118). Thus you can directly look because that atomic number 33 to find Arsenic on routine table.
Another method to read regular table and also locate an facet is through using group number (column) and period number (row). To locate Arsenic on routine table look for cross ar of team 15 and duration 4 in the contemporary periodic table.
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Table of Contents
History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbital Properties
Chemical Properties
Isotopes
Health and Safety Parameters and Guidelines
Databases
Compare Arsenic with other elements
Arsenic History
The aspect Arsenic was discovered by Bronze period in year 1250 in unknown ar . Arsenic derived its surname English native (Latin arsenicum)
Arsenic Presence: diversity in Nature and also Around Us
The table below shows the diversity of Arsenic in Universe, Sun, Meteorites, Earth"s Crust, Oceans and also Human Body.
variety in universe | 8×10-7% |
diversity in sun | N/A |
diversity in Meteorites | 1.8e-06 |
Abundance in Earth"s crust | 2.1e-06 |
variety in oceans | 2.3×10-7% |
variety in people | 5×10-6% |
Crystal framework of Arsenic
The hard state structure of Arsenic is Simple Trigonal.
The decision structure can be defined in terms of its unit Cell. The unit cell repeats chin in three dimensional an are to form the structure.
Unit cabinet Parameters
The unit cell is stood for in regards to its lattice parameters, which are the lengths that the cell edges Lattice Constants (a, b and c)
375.98 | 375.98 | 1054.75 pm |
and the angles between them Lattice angles (alpha, beta and gamma).
π/2 | π/2 | 2 π/3 |
The location of the atoms inside the unit cell are explained by the collection of atomic positions ( xi, yi, zi) measured indigenous a reference lattice point.
The symmetry properties of the decision are explained by the concept of space groups. All feasible symmetric kinds of corpuscle in three-dimensional room are described by the 230 room groups (219 unique types, or 230 if chiral duplicates are thought about distinct.
an are Group name | R_ 3m | ![]() |
room Group Number | 166 | |
Crystal structure | Simple Trigonal |
Arsenic Atomic and also Orbital Properties
Arsenic atoms have actually 33 electrons and the digital shell structure is <2, 8, 18, 5> with Atomic term Symbol (Quantum Numbers) 4S3/2.
atomic Number | 33 |
Number of electrons (with no charge) | 33 |
Number that Protons | 33 |
Mass Number | 75 |
Number of Neutrons | 42 |
Shell framework (Electrons per power level) | <2, 8, 18, 5> |
Electron construction | |
Valence Electrons | 4s2 4p3 |
Oxidation State | -3;-2;-1 1;2;3;4;5 |
Atomic term Symbol (Quantum Numbers) | 4S3/2 |
Shell structure of Arsenic - electron per power level

Ground State digital Configuration of Arsenic - neutral Arsenic atom
The floor state electronic configuration that Neutral Arsenic atom isSee more: Convert 179 Cm To Ft And Inches ? Convert 179 Centimeters To Feet And Inches
Unabbreviated electronic configuration of neutral Arsenic
Complete soil state digital configuration because that the Arsenic atom, Unabbreviated electronic configuration
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Atomic structure of Arsenic
Arsenic atom radius is 114 pm, while it"s covalent radius is 119 pm.
atom Radius | 114 pm (1.14 Å) ![]() Arsenic chemistry Properties: Arsenic Ionization Energies and also electron affinityThe electron affinity of Arsenic is 78 kJ/mol
Ionization power of ArsenicRefer to table below for Ionization energies of Arsenic
Arsenic physical PropertiesRefer to listed below table for Arsenic physics Properties Arsenic is Conductor the electricity. Refer to table listed below for the electrical properties that Arsenic
Arsenic Heat and Conduction Properties
Arsenic Magnetic Properties
Optical nature of Arsenic
Acoustic nature of Arsenic
Arsenic thermal Properties - Enthalpies and also thermodynamicsRefer to table below for thermal properties the Arsenic
Enthalpies that Arsenic
Arsenic isotope - nuclear Properties of ArsenicIsotopes that rhodium. Naturally occurring Arsenic has 1 secure isotope - 75As.
Regulatory and Health - Health and Safety Parameters and also Guidelines
Database Searchlist of distinct identifiers to find the aspect in assorted chemical registry databases
Compare Arsenic with all Group 15 elementsArsenic vs Nitrogen Arsenic vs Phosphorus Arsenic vs Antimony Arsenic vs Bismuth Arsenic vs MoscoviumCompare Arsenic v all metalloid elementsArsenic vs Boron Arsenic vs Silicon Arsenic vs Germanium Arsenic vs Antimony Arsenic vs Tellurium Arsenic vs Polonium |