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Periodic Table Element Comparison: Compare Elements - Arsenic vs Calcium

Compare Arsenic and Calcium

Compare Arsenic and Calcium on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Arsenic vs Calcium with most reliable information about their properties, attributes, facts, uses etc. You can compare As vs Ca on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

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1
1
H
Hydrogen
1.008

Atomic #

Electronic Shell #

Symbol
Name
Atomic Weight
HGas
HgLiquid
CSolid
Metals
Metalloids
NonMetals
Alkali metals
Alkali earth metals
Lanthanoids
Transition metals
Post-transition metals
Other nonmetals
Halogens
Nobel gas
Actinoids
2
He
Helium
4.003
2
3
Li
Lithium
6.941
4
Be
Beryllium
9.012
5
B
Boron
10.811
6
C
Carbon
12.011
7
N
Nitrogen
14.007
8
O
Oxygen
15.999
9
F
Fluorine
18.998
10
Ne
Neon
20.180
3
11
Na
Sodium
22.990
12
Mg
Magnesium
24.305
13
Al
Aluminium
26.982
14
Si
Silicon
28.085
15
P
Phosphorus
30.974
16
S
Sulfur
32.065
17
Cl
Chlorine
35.453
18
Ar
Argon
39.948
4
19
K
Potassium
39.098
20
Ca
Calcium
40.078
21
Sc
Scandium
44.956
22
Ti
Titanium
47.867
23
V
Vanadium
50.941
24
Cr
Chromium
51.996
25
Mn
Manganese
54.938
26
Fe
Iron
55.845
27
Co
Cobalt
58.933
28
Ni
Nickel
58.693
29
Cu
Copper
63.546
30
Zn
Zinc
65.409
31
Ga
Gallium
69.723
32
Ge
Germanium
72.640
33
As
Arsenic
74.922
34
Se
Selenium
78.960
35
Br
Bromine
79.904
36
Kr
Krypton
83.798
5
37
Rb
Rubidium
85.468
38
Sr
Strontium
87.620
39
Y
Yttrium
88.906
40
Zr
Zirconium
91.224
41
Nb
Niobium
92.906
42
Mo
Molybdenum
95.940
43
Tc
Technetium
98
44
Ru
Ruthenium
101.070
45
Rh
Rhodium
102.906
46
Pd
Palladium
106.420
47
Ag
Silver
107.868
48
Cd
Cadmium
112.411
49
In
Indium
114.818
50
Sn
Tin
118.710
51
Sb
Antimony
121.760
52
Te
Tellurium
127.600
53
I
Iodine
126.904
54
Xe
Xenon
131.293
6
55
Cs
Cesium
132.905
56
Ba
Barium
137.327
57 - 71
La - Lu
Lanthanides
72
Hf
Hafnium
178.490
73
Ta
Tantalum
180.948
74
W
Tungsten
183.840
75
Re
Rhenium
186.207
76
Os
Osmium
190.230
77
Ir
Iridium
192.217
78
Pt
Platinum
195.078
79
Au
Gold
196.967
80
Hg
Mercury
200.590
81
Tl
Thallium
204.383
82
Pb
Lead
207.200
83
Bi
Bismuth
208.980
84
Po
Polonium
209
85
At
Astatine
210
86
Rn
Radon
222
7
87
Fr
Francium
223
88
Ra
Radium
226
89 - 103
Ac - Lr
Actinides
104
Rf
Rutherfordium
261
105
Db
Dubnium
262
106
Sg
Seaborgium
266
107
Bh
Bohrium
264
108
Hs
Hassium
277
109
Mt
Meitnerium
268
110
Ds
Darmstadtium
281
111
Rg
Roentgenium
272
112
Cn
Copernicium
285
113
Nh
Nihonium
284
114
Fl
Flerovium
289
115
Mc
Moscovium
288
116
Lv
Livermorium
292
117
Ts
Tennessine
294
118
Og
Oganesson
294
Lanthanides
57
La
Lanthanum
138.905
58
Ce
Cerium
140.116
59
Pr
Praseodymium
140.908
60
Nd
Neodymium
144.240
61
Pm
Promethium
145
62
Sm
Samarium
150.360
63
Eu
Europium
151.964
64
Gd
Gadolinium
157.250
65
Tb
Terbium
158.925
66
Dy
Dysprosium
162.500
67
Ho
Holmium
164.930
68
Er
Erbium
167.259
69
Tm
Thulium
168.934
70
Yb
Ytterbium
173.040
71
Lu
Lutetium
174.967
Actinides
89
Ac
Actinium
227
90
Th
Thorium
232.038
91
Pa
Protactinium
231.036
92
U
Uranium
238.029
93
Np
Neptunium
237
94
Pu
Plutonium
244
95
Am
Americium
243
96
Cm
Curium
247
97
Bk
Berkelium
247
98
Cf
Californium
251
99
Es
Einsteinium
252
100
Fm
Fermium
257
101
Md
Mendelevium
258
102
No
Nobelium
259
103
Lr
Lawrencium
262

Facts

NameArsenicCalcium
Atomic Number3320
Atomic SymbolAsCa
Atomic Weight74.9216 40.078
Phase at STPSolid Solid
ColorSilver Silver
Metallic ClassificationMetalloid Alkaline Earth Metal
Group in Periodic Tablegroup 15 group 2
Group Namenitrogen familyberyllium family
Period in Periodic Tableperiod 4 period 4
Block in Periodic Tablep -blocks -block
Electronic Configuration[Ar] 3d10 4s2 4p3 [Ar] 4s2
Electronic Shell Structure (Electrons per shell)2, 8, 18, 52, 8, 8, 2
Melting Point1090 K1115 K
Boiling Point887 K1757 K
CAS NumberCAS7440-38-2 CAS7440-70-2
Neighborhood ElementsNeighborhood Elements of ArsenicNeighborhood Elements of Calcium

History

HistoryThe element Arsenic was discovered by Arabic alchemist in year ca. 800 AD. Arsenic derived its name English word (Latin arsenicum).The element Calcium was discovered by H. Davy in year 1808 in United Kingdom. Calcium derived its name from the Latin calx, meaning 'lime'.
DiscoveryArabic alchemist (ca. 800 AD)H. Davy (1808)
Isolated ()H. Davy (1808)

Presence: Abundance in Nature and Around Us

Parts per billion (ppb) by weight / by atoms (1ppb =10^-7 %)

Abundance in Universe8 / 0.170000 / 2000
Abundance in Sun- / -70000 / 2000
Abundance in Meteorites1800 / 46011000000 / 5200000
Abundance in Earth's Crust2100 / 58050000000 / 26000000
Abundance in Oceans2.3 / 0.194220 / 650
Abundance in Humans50 / 414000000 / 2200000

Crystal Structure and Atomic Structure

Atomic Volume12.95 cm3/mol25.857 cm3/mol
Atomic Radius114 pm194 pm
Covalent Radius119 pm174 pm
Van der Waals Radius185 pm231 pm
Atomic SpectrumAtomic Spectrum of Arsenic | SchoolMyKidsAtomic Spectrum of Calcium | SchoolMyKids
Lattice Constant375.98, 375.98, 1054.75 pm558.84, 558.84, 558.84 pm
Lattice Angleπ/2, π/2, 2 π/3π/2, π/2, π/2
Space Group NameR_ 3m Fm_ 3m
Space Group Number166 225
Crystal Structure

Simple Trigonal

33 As Arsenic - Crystal Structure | SchoolMyKids

Face Centered Cubic

20 Ca Calcium - Crystal Structure | SchoolMyKids

Atomic and Orbital Properties

Atomic Number3320
Number of Electrons (with no charge)3320
Number of Protons3320
Mass Number74.921640.078
Number of Neutrons4220
Shell structure (Electrons per energy level)2, 8, 18, 52, 8, 8, 2
Electron Configuration[Ar] 3d10 4s2 4p3 [Ar] 4s2
Valence Electrons4s2 4p3 4s2
Oxidation State-3, 3, 52
Atomic Term Symbol (Quantum Numbers)4S3/2 1S0
Shell structure33 As Arsenic - Electron Shell Structure | SchoolMyKids20 Ca Calcium - Electron Shell Structure | SchoolMyKids

Isotopes and Nuclear Properties

Arsenic has 1 stable naturally occuring isotopes while Calcium has 5 stable naturally occuring isotopes.

Known Isotopes60As, 61As, 62As, 63As, 64As, 65As, 66As, 67As, 68As, 69As, 70As, 71As, 72As, 73As, 74As, 75As, 76As, 77As, 78As, 79As, 80As, 81As, 82As, 83As, 84As, 85As, 86As, 87As, 88As, 89As, 90As, 91As, 92As34Ca, 35Ca, 36Ca, 37Ca, 38Ca, 39Ca, 40Ca, 41Ca, 42Ca, 43Ca, 44Ca, 45Ca, 46Ca, 47Ca, 48Ca, 49Ca, 50Ca, 51Ca, 52Ca, 53Ca, 54Ca, 55Ca, 56Ca, 57Ca
Stable IsotopesNaturally occurring stable isotopes:

75As

Naturally occurring stable isotopes:

40Ca, 42Ca, 43Ca, 44Ca, 46Ca

Neutron Cross Section 4.3 0.43
Neutron Mass Absorption 0.002 0.00037

Chemical Properties: Ionization Energies and electron affinity

Valence or Valency5 2
Electronegativity2.18 Pauling Scale1 Pauling Scale
Electron Affinity78 kJ/mol2.37 kJ/mol
Ionization Energies
1st: 947 kJ/mol
2nd: 1798 kJ/mol
3rd: 2735 kJ/mol
4th: 4837 kJ/mol
5th: 6043 kJ/mol
6th: 12310 kJ/mol
1st: 589.8 kJ/mol
2nd: 1145.4 kJ/mol
3rd: 4912.4 kJ/mol
4th: 6491 kJ/mol
5th: 8153 kJ/mol
6th: 10496 kJ/mol
7th: 12270 kJ/mol
8th: 14206 kJ/mol
9th: 18191 kJ/mol
10th: 20385 kJ/mol
11th: 57110 kJ/mol
12th: 63410 kJ/mol
13th: 70110 kJ/mol
14th: 78890 kJ/mol
15th: 86310 kJ/mol
16th: 94000 kJ/mol
17th: 104900 kJ/mol
18th: 111711 kJ/mol
19th: 494850 kJ/mol
20th: 527762 kJ/mol

Physical Properties

Density5.727 g/cm31.55 g/cm3
Molar Volume12.95 cm3/mol25.857 cm3/mol

Elastic Properties

Young Modulus8 20
Shear Modulus- 7.4 GPa
Bulk Modulus22 GPa17 GPa
Poisson Ratio- 0.31

Hardness - Tests to Measure of Hardness of Element

Mohs Hardness3.5 MPa1.75 MPa
Vickers Hardness- -
Brinell Hardness1440 MPa167 MPa

Electrical Properties

Electrical Conductivity3300000 S/m29000000 S/m
Resistivity 3e-7 m Ω3.4e-8 m Ω
Superconducting Point- -

Heat and Conduction Properties

Thermal Conductivity50 W/(m K)200 W/(m K)
Thermal Expansion- 0.0000223 /K

Magnetic Properties

Magnetic TypeDiamagnetic Paramagnetic
Curie Point- -
Mass Magnetic Susceptibility-3.9e-9 m3/kg1.38e-8 m3/kg
Molar Magnetic Susceptibility-2.92e-10 m3/mol5.531e-10 m3/mol
Volume Magnetic Susceptibility-0.0000223 0.00002139

Optical Properties

Refractive Index1.001552 -

Acoustic Properties

Speed of Sound- 3810 m/s

Thermal Properties - Enthalpies and thermodynamics

Melting Point1090 K1115 K
Boiling Point887 K1757 K
Critical Temperature- -
Superconducting Point- -

Enthalpies

Heat of Fusion27.7 kJ/mol8.54 kJ/mol
Heat of Vaporization32.4 kJ/mol155 kJ/mol
Heat of Combustion- -990 J/(kg K)

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS NumberCAS7440-38-2 CAS7440-70-2
RTECS Number{N/A, RTECSCG0525000, N/A} -
DOT Hazard Class{N/A, 6.1, N/A} 4.2
DOT Numbers{N/A, 1558, N/A} 1855
EU Number- -
NFPA Fire Rating{N/A, 2, N/A} 1
NFPA HazardsN/ A, N/ A, N/ A Water Reactive
NFPA Health Rating{N/A, 3, N/A} 3
NFPA Reactivity Rating- 2
AutoIgnition Point- -
Flashpoint- -

Compare With Other Elements

Compare Arsenic with all Group 15 elements

Compare Arsenic with all Period 4 elements

Compare Arsenic with all Metalloid elements

Compare Calcium with all Group 2 elements

Compare Calcium with all Period 4 elements

Compare Calcium with all Alkaline Earth Metal elements