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.


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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 3d10 4s2 4p3
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

check out our interactive routine table


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.

discover Interactive routine Table to Understand and Learn Cool fads

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.

Ppb by load (1ppb =10^-7 %)
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)

a b c
375.98 375.98 1054.75 pm

and the angles between them Lattice angles (alpha, beta and gamma).

alpha beta 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
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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 3d10 4s2 4p3
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


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Ground State digital Configuration of Arsenic - neutral Arsenic atom

The floor state electronic configuration that Neutral Arsenic atom is 3d10 4s2 4p3. The section of Arsenic configuration the is equivalent to the noble gas the the preceding period, is abbreviated as . Because that atoms with plenty of electrons, this notation can become lengthy and for this reason an abbreviation notation is used.This is important as that is the Valence electrons 3d10 4s2 4p3, electrons in the outermost shell that recognize the chemistry properties of the element.

See 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)

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Arsenic chemistry Properties: Arsenic Ionization Energies and also electron affinity

The electron affinity of Arsenic is 78 kJ/mol

Valence 5
Electronegativity 2.18
ElectronAffinity 78 kJ/mol

Ionization power of Arsenic

Refer to table below for Ionization energies of Arsenic

Ionization power number Enthalpy - kJ/mol
1 947
2 1798
3 2735
4 4837
5 6043
6 12310

Arsenic physical Properties

Refer to listed below table for Arsenic physics Properties

Arsenic is Conductor the electricity. Refer to table listed below for the electrical properties that Arsenic

electrical Conductivity 3.3×106 S/m
Resistivity 3×10-7 m Ω
Superconducting point N/A

Arsenic Heat and Conduction Properties

thermal Conductivity 50 W/(m K)
Thermal growth N/A

Arsenic Magnetic Properties

Magnetic form Diamagnetic
Curie suggest N/A
massive Magnetic Susceptibility -3.9×10-9
Molar Magnetic Susceptibility -2.92×10-10
Volume Magnetic Susceptibility -2.23e-05

Optical nature of Arsenic

Refractive index 1.001552

Acoustic nature of Arsenic

speed of Sound N/A

Arsenic thermal Properties - Enthalpies and also thermodynamics

Refer to table below for thermal properties the Arsenic

Melting point 1090 K (817 °C)
Boiling allude 887 K (614 °C)
an essential Temperature N/A
Superconducting point N/A

Enthalpies that Arsenic

warmth of blend 27.7 kJ/mol
heat of Vaporization 32.4 kJ/mol
heat of burning "N/A", "N/A", "N/A" J/(kg K)

Arsenic isotope - nuclear Properties of Arsenic

Isotopes that rhodium. Naturally occurring Arsenic has 1 secure isotope - 75As.


Isotope Isotope mass % variety T fifty percent Decay mode
60As
61As
62As
63As
64As
65As
66As
67As
68As
69As
70As
71As
72As
73As
74As
75As 100% stable N/A
76As
77As
78As
79As
80As
81As
82As
83As
84As
85As
86As
87As
88As
89As
90As
91As
92As

Regulatory and Health - Health and Safety Parameters and also Guidelines

CAS Number CAS7440-38-2
RTECS Number N/A, RTECSCG0525000, N/A
period Hazard class N/A, 6.1, N/A
period Numbers "N/A", 1558, "N/A"
EU Number N/A, N/A, N/A
NFPA Fire Rating N/A, 2, N/A
NFPA hazards N/ A, N/ A, N/ A
NFPA health Rating N/A, 3, N/A
NFPA Reactivity Rating N/A, N/A, N/A
Autoignition suggest N/A
Flashpoint N/A

Database Search

list of distinct identifiers to find the aspect in assorted chemical registry databases

Database identifier number
CAS Number - chemistry Abstracts organization (CAS) CAS7440-38-2
CID Number CID5359596, CID5359596, CID139279
Gmelin Number N/A, N/A, N/A
NSC Number N/A, N/A, N/A
RTECS Number N/A, RTECSCG0525000, N/A

Compare Arsenic with all Group 15 elements

Arsenic vs Nitrogen Arsenic vs Phosphorus Arsenic vs Antimony Arsenic vs Bismuth Arsenic vs Moscovium

Compare Arsenic v all metalloid elements

Arsenic vs Boron Arsenic vs Silicon Arsenic vs Germanium Arsenic vs Antimony Arsenic vs Tellurium Arsenic vs Polonium