Arsenic

aspect 33 of routine table is Arsenic with atomic number 33, atomic load 74.9216. Arsenic, symbol As, has a straightforward Trigonal structure and also Silver color. Arsenic is a metalloid element. Trivial surname of Arsenic is pentels, pnictogens*. Know everything about Arsenic Facts, physical Properties, chemistry Properties, electronic configuration, Atomic and Crystal Structure.


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Arsenic is a chemical element with price As and atomic number 33. Arsenic occurs in many minerals, commonly 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
atomic Number 33
atomic Symbol As
Atomic load 74.9216
phase Solid
shade Silver
Classification metalloid
team in regular Table 15
Group Name nitrogen family members
period in routine Table 4
Block in periodic 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

ar
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 find Arsenic on periodic Table

Periodic table is arranged by atomic number, variety of protons in the nucleus i beg your pardon is very same as variety of electrons. The atomic number boosts from left come right. Periodic table beginning at top left ( atom number 1) and ends in ~ bottom ideal (atomic number 118). As such you can directly look for atomic number 33 to find Arsenic on regular table.

Another method to read regular table and locate an aspect is by using team number (column) and period number (row). To situate Arsenic on regular table look for cross section of group 15 and period 4 in the modern periodic table.

discover Interactive routine Table come Understand and Learn Cool patterns

Table of Contents


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

Arsenic History

The element Arsenic was discovered by Bronze age in year 1250 in unknown place . Arsenic derived its name English indigenous (Latin arsenicum)

Arsenic Presence: variety in Nature and Around Us

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

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

Crystal framework of Arsenic

The solid state framework of Arsenic is Simple Trigonal.

The decision structure can be defined in regards to its unit Cell. The unit cells repeats chin in three dimensional room to form the structure.

Unit cabinet Parameters

The unit cabinet is represented in regards to its lattice parameters, which room the lengths that the cabinet edges Lattice Constants (a, b and c)

a b c
375.98 375.98 1054.75 pm

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

alpha beta gamma
π/2 π/2 2 π/3

The location of the atoms within the unit cell are defined by the collection of atom positions ( xi, yi, zi) measured from a referral lattice point.

The symmetry nature of the crystal are described by the principle of an are groups. All possible symmetric arrangements of particles in three-dimensional room are defined by the 230 space groups (219 distinctive types, or 230 if chiral copies are thought about distinct.

space Group surname R_ 3m
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an are Group Number 166
Crystal structure Simple Trigonal

Arsenic Atomic and Orbital Properties

Arsenic atoms have 33 electrons and the electronic shell structure is <2, 8, 18, 5> v 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 that 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 - electrons per energy level


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Ground State digital Configuration the Arsenic - neutral Arsenic atom

The floor state digital configuration of Neutral Arsenic atom is 3d10 4s2 4p3. The part of Arsenic configuration the is tantamount to the noble gas that the coming before period, is abbreviated together . For atoms with plenty of electrons, this notation deserve to become prolonged and for this reason an abbreviation notation is used.This is vital as that is the Valence electron 3d10 4s2 4p3, electron in the outermost shell that recognize the chemistry properties of the element.

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Unabbreviated electronic configuration the 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 atomic radius is 114 pm, when it"s covalent radius is 119 pm.

atomic Radius

114 pm (1.14 Å)

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Arsenic chemistry Properties: Arsenic Ionization Energies and also electron affinity

The electron affinity the Arsenic is 78 kJ/mol

Valence 5
Electronegativity 2.18
ElectronAffinity 78 kJ/mol

Ionization power of Arsenic

Refer come table listed 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 because that Arsenic physical Properties

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

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

Arsenic Heat and Conduction Properties

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

Arsenic Magnetic Properties

Magnetic form Diamagnetic
Curie point N/A
mass 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 properties of Arsenic

speed of Sound N/A

Arsenic thermal Properties - Enthalpies and thermodynamics

Refer to table below for heat properties the Arsenic

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

Enthalpies that Arsenic

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

Arsenic isotope - nuclear Properties the Arsenic

Isotopes of rhodium. Naturally arising Arsenic has 1 secure isotope - 75As.


Isotope Isotope massive % 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 also Health - Health and also Safety Parameters and Guidelines

CAS Number CAS7440-38-2
RTECS Number N/A, RTECSCG0525000, N/A
dot Hazard course 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 wellness Rating N/A, 3, N/A
NFPA Reactivity Rating N/A, N/A, N/A
Autoignition allude N/A
Flashpoint N/A

Database Search

list of distinctive identifiers to search the facet in miscellaneous chemical registry databases

Database i would number
CAS Number - chemical Abstracts service (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 v all Group 15 elements

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

Compare Arsenic through all metalloid elements

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