Arsenic

facet 33 of periodic table is Arsenic through 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*. Understand everything around Arsenic Facts, physical Properties, chemistry Properties, digital configuration, Atomic and also Crystal Structure.


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Arsenic is a chemical element with prize As and also atomic number 33. Arsenic occurs in numerous minerals, generally in conjunction v sulfur and metals, and additionally as a pure element crystal. Arsenic is a metalloid.

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Arsenic Facts

Read an essential information and also facts about element Arsenic

surname Arsenic
atom Number 33
atomic Symbol As
Atomic weight 74.9216
phase Solid
color Silver
Classification metalloid
team in routine Table 15
Group Name nitrogen household
duration in periodic Table 4
Block in routine Table p-block
Electronic Configuration 3d10 4s2 4p3
Melting allude 817 °C
Boiling suggest 614 °C
Electronic covering Structure <2, 8, 18, 5>
CAS Number CAS7440-38-2

neighborhood
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

discover our interactive periodic table


How to locate Arsenic on periodic Table

Periodic table is arranged by atom number, number of protons in the nucleus i m sorry is same as variety of electrons. The atomic number increases from left to right. Periodic table beginning at peak left ( atomic number 1) and ends in ~ bottom appropriate (atomic number 118). Therefore you can directly look for atomic number 33 to find Arsenic on regular table.

Another means to read routine table and also locate an aspect is by using group number (column) and duration number (row). To find Arsenic on regular table look for cross section of group 15 and period 4 in the modern-day periodic table.

check out Interactive routine Table come Understand and Learn Cool patterns

Table the Contents


History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbital Properties
Chemical Properties
Isotopes
Health and also Safety Parameters and also Guidelines
Databases
Compare Arsenic with various other elements

Arsenic History

The aspect Arsenic was discovered by Bronze age in year 1250 in unknown location . Arsenic obtained its name English native (Latin arsenicum)

Arsenic Presence: abundance in Nature and also Around Us

The table below shows the variety of Arsenic in Universe, Sun, Meteorites, Earth"s Crust, Oceans and also Human Body.

Ppb by weight (1ppb =10^-7 %)
abundance in cosmos 8×10-7%
variety in sunlight N/A
diversity in Meteorites 1.8e-06
Abundance in Earth"s late 2.1e-06
abundance in oceans 2.3×10-7%
abundance in people 5×10-6%

Crystal structure of Arsenic

The solid state structure of Arsenic is Simple Trigonal.

The crystal structure deserve to be explained in regards to its unit Cell. The unit cells repeats chin in three dimensional space to form the structure.

Unit cabinet Parameters

The unit cell is stood for in regards to its lattice parameters, which are the lengths the the cabinet edges Lattice Constants (a, b and also c)

a b c
375.98 375.98 1054.75 pm

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

alpha beta gamma
π/2 π/2 2 π/3

The positions of the atoms within the unit cell are explained by the set of atom positions ( xi, yi, zi) measured from a recommendation lattice point.

The symmetry properties of the decision are described by the ide of an are groups. All feasible symmetric arrangements of corpuscle in three-dimensional room are defined by the 230 room groups (219 distinct types, or 230 if chiral copies are thought about distinct.

an are Group surname R_ 3m
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room Group Number 166
Crystal framework Simple Trigonal

Arsenic Atomic and Orbital Properties

Arsenic atoms have 33 electrons and the digital shell structure is <2, 8, 18, 5> through Atomic ax Symbol (Quantum Numbers) 4S3/2.


atomic Number 33
Number of electron (with no charge) 33
Number of Protons 33
Mass Number 75
Number that Neutrons 42
Shell framework (Electrons per energy level) <2, 8, 18, 5>
Electron configuration 3d10 4s2 4p3
Valence Electrons 4s2 4p3
Oxidation State -3;-2;-1 1;2;3;4;5
Atomic ax Symbol (Quantum Numbers) 4S3/2

Shell structure of Arsenic - electrons per energy level


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Ground State digital Configuration of Arsenic - neutral Arsenic atom

The floor state electronic configuration of Neutral Arsenic atom is 3d10 4s2 4p3. The portion of Arsenic configuration that is tantamount to the noble gas that the preceding period, is abbreviated as . For atoms with countless electrons, this notation deserve to become lengthy and for this reason an abbreviation notation is used.This is necessary as that is the Valence electron 3d10 4s2 4p3, electrons in the outermost shell that identify the chemical properties of the element.

See more: Thing 1 And Thing 2 Characters, Thing One And Thing Two

Unabbreviated electronic configuration that neutral Arsenic

Complete floor state electronic configuration for the Arsenic atom, Unabbreviated electronic configuration

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3

Atomic structure of Arsenic

Arsenic atom radius is 114 pm, if it"s covalent radius is 119 pm.

atomic Radius

114 pm (1.14 Å)

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Arsenic chemical Properties: Arsenic Ionization Energies and also electron affinity

The electron affinity that Arsenic is 78 kJ/mol

Valence 5
Electronegativity 2.18
ElectronAffinity 78 kJ/mol

Ionization energy of Arsenic

Refer come table listed below for Ionization energies that Arsenic

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

Arsenic physics Properties

Refer to listed below table because that Arsenic physical Properties

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

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

Arsenic Heat and also Conduction Properties

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

Arsenic Magnetic Properties

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

Optical nature of Arsenic

Refractive table of contents 1.001552

Acoustic properties of Arsenic

rate of Sound N/A

Arsenic thermal Properties - Enthalpies and also thermodynamics

Refer to table listed below for heat properties the Arsenic

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

Enthalpies the Arsenic

warm of fusion 27.7 kJ/mol
warmth of Vaporization 32.4 kJ/mol
warmth of combustion "N/A", "N/A", "N/A" J/(kg K)

Arsenic isotope - atom Properties the Arsenic

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


Isotope Isotope mass % abundance T half 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
dot 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 and wellness 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 distinctive identifiers to search the element in assorted chemical registry databases

Database id number
CAS Number - chemical 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 with all metalloid elements

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