Arsenic

element 33 of routine table is Arsenic with atomic number 33, atomic load 74.9216. Arsenic, price As, has a simple 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, chemical Properties, electronic configuration, Atomic and Crystal Structure.


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Arsenic is a chemical aspect with price As and also atomic number 33. Arsenic occurs in plenty of minerals, generally in conjunction through sulfur and also metals, and also as a pure elemental crystal. Arsenic is a metalloid.

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Arsenic Facts

Read key information and facts around element Arsenic

name Arsenic
atomic Number 33
atom Symbol As
Atomic weight 74.9216
phase Solid
color Silver
Classification metalloid
team in regular Table 15
Group Name nitrogen family members
duration in routine Table 4
Block in routine Table p-block
Electronic Configuration 3d10 4s2 4p3
Melting suggest 817 °C
Boiling point 614 °C
Electronic shell 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

check out our interactive periodic table


How to find Arsenic on periodic Table

Periodic table is arranged by atomic number, number of protons in the nucleus which is very same as variety of electrons. The atom number rises from left to right. Periodic table starts at optimal left ( atomic number 1) and ends in ~ bottom best (atomic number 118). Thus you can straight look because that atomic number 33 to find Arsenic on periodic table.

Another method to read routine table and locate an aspect is through using group number (column) and period number (row). To find Arsenic on periodic table look for cross ar of group 15 and duration 4 in the modern periodic table.

explore Interactive regular Table to Understand and Learn Cool patterns

Table the Contents


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

Arsenic History

The element Arsenic was discovered by Bronze age in year 1250 in unknown location . Arsenic obtained its surname English word (Latin arsenicum)

Arsenic Presence: diversity in Nature and also Around Us

The table below shows the abundance 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%
abundance in sun N/A
abundance in Meteorites 1.8e-06
Abundance in Earth"s tardy 2.1e-06
variety in seas 2.3×10-7%
abundance in people 5×10-6%

Crystal structure of Arsenic

The solid state structure of Arsenic is Simple Trigonal.

The decision structure deserve to be defined in regards to its unit Cell. The unit cell repeats itself in 3 dimensional an are to kind the structure.

Unit cell Parameters

The unit cabinet is stood for in terms of its lattice parameters, which space 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 between them Lattice angle (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 native a referral lattice point.

The symmetry nature of the crystal are described by the principle of space groups. All possible symmetric kinds of corpuscle in three-dimensional room are described by the 230 space groups (219 unique types, or 230 if chiral duplicates are thought about distinct.

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

Arsenic Atomic and Orbital Properties

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


atomic Number 33
Number of electrons (with no charge) 33
Number the Protons 33
Mass Number 75
Number of Neutrons 42
Shell structure (Electrons per power 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 framework of Arsenic - electrons per power level


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Ground State digital Configuration the Arsenic - neutral Arsenic atom

The ground state electronic configuration that Neutral Arsenic atom is 3d10 4s2 4p3. The portion of Arsenic configuration the is indistinguishable to the noble gas of the preceding period, is abbreviated as . Because that atoms with plenty of electrons, this notation have the right to become lengthy and for this reason an abbreviated notation is used.This is vital as it is the Valence electrons 3d10 4s2 4p3, electron in the outermost shell that identify the chemistry properties the the element.

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Unabbreviated electronic configuration that neutral Arsenic

Complete ground state digital configuration because that the Arsenic atom, Unabbreviated electronic configuration

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

Atomic framework of Arsenic

Arsenic atomic radius is 114 pm, while 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 of Arsenic is 78 kJ/mol

Valence 5
Electronegativity 2.18
ElectronAffinity 78 kJ/mol

Ionization energy 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 below table because that Arsenic physics Properties

Arsenic is Conductor the electricity. Refer to table listed below for the electric properties of 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 development 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 table of contents 1.001552

Acoustic properties of Arsenic

speed of Sound N/A

Arsenic thermal Properties - Enthalpies and thermodynamics

Refer come table below for heat properties that Arsenic

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

Enthalpies of Arsenic

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

Arsenic isotope - atom Properties that Arsenic

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


Isotope Isotope mass % abundance T half Decay setting
60As
61As
62As
63As
64As
65As
66As
67As
68As
69As
70As
71As
72As
73As
74As
75As 100% secure 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 course 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 dangers 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

perform of distinctive identifiers to find the facet in assorted chemical it is registered databases

Database id number
CAS Number - chemistry 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 through 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