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Periodic Table Element Comparison: Compare Elements - Arsenic vs Scandium

Compare Arsenic and Scandium

Compare Arsenic and Scandium 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 Scandium with most reliable information about their properties, attributes, facts, uses etc. You can compare As vs Sc on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Arsenic
33
As
74.9216
Solid
Silver
metalloid
15
nitrogen family 
4
p
[Ar] 3d10 4s2 4p3
817 °C
614 °C
2, 8, 18, 5
CAS7440-38-2
Neighborhood Elements of Arsenic
Scandium
21
Sc
44.95591
Solid
Silver
transition metal
3
scandium family 
4
d
[Ar] 3d1 4s2
1541 °C
2830 °C
2, 8, 9, 2
CAS7440-20-2
Neighborhood Elements of Scandium

History

History
The element Arsenic was discovered by Bronze Age in year 1250 in unknown place. Arsenic derived its name from English word (Latin arsenicum)
The element Scandium was discovered by Lars Fredrik Nilson in year 1879 in Sweden. Scandium derived its name derived its name from from Scandia, the Latin name for Scandinavia

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
8×10-7%
N/A
1.8e-06
2.1e-06
2.3×10-7%
5×10-6%
3×10-6%
4×10-6%
6.4e-06
2.6e-05
1.5×10-10%
N/A

Crystal Structure and Atomic Structure

114 pm
13.082172166929 cm3
119 pm
185 pm
4.3
arsenic Spectrum
375.98, 375.98, 1054.75 pm
π/2, π/2, 2 π/3
R_ 3m
166

Simple Trigonal

arsenic Crystal Structure
184 pm
15.060606365159 cm3
144 pm
N/A
27.2
scandium Spectrum
330.9, 330.9, 527.33 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

scandium Crystal Structure

Atomic and Orbital Properties

Atomic Number
Number of Electrons (with no charge)
Number of Protons
Mass Number
Number of Neutrons
Shell structure (Electrons per energy level)
Electron Configuration
Valence Electrons
Oxidation State
Atomic Term Symbol (Quantum Numbers)
Shell structure
33
33
33
74.9216
41.9216
2, 8, 18, 5
[Ar] 3d10 4s2 4p3
4s2 4p3
-3;-2;-1  1;2;3;4;5
4S3/2
arsenic Shells
21
21
21
44.95591
23.95591
2, 8, 9, 2
[Ar] 3d1 4s2
3d1 4s2
 1;2;3
2D3/2
scandium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
75As.
Naturally occurring stable isotopes:
45Sc.

Chemical Properties: Ionization Energies and electron affinity

5
2.18
78 kJ/mol
947, 1798, 2735, 4837, 6043, 12310 kJ/mol
3
1.36
18.1 kJ/mol
633.1, 1235, 2388.6, 7090.6, 8843, 10679, 13310, 15250, 17370, 21726, 24102, 66320, 73010, 80160, 89490, 9.74×104, 1.056×105, 1.17×105, 124270, 547530, 582163 kJ/mol

Physical Properties

5.727 g/cm3
13.082172166929

 

8 GPa
N/A
22 GPa
N/A


 

3.5 MPa
N/A
1440 MPa

 

3.3×106 S/m
3×10-7 m Ω
N/A

 

50 W/(m K)
N/A

 

Diamagnetic
N/A
-3.9×10-9
-2.92×10-10
-2.23e-05

 

1.001552

 

N/A
2.985 g/cm3
15.060606365159

 

74 GPa
29 GPa
57 GPa
0.28


 

N/A
N/A
750 MPa

 

1.8×106 S/m
5.5×10-7 m Ω
0.05

 

16 W/(m K)
0.0000102 K-1

 

Paramagnetic
N/A
8.8×10-8
3.956×10-9
0.0002627

 

N/A

 

N/A

Thermal Properties - Enthalpies and thermodynamics

817 °C
614 °C
N/A
N/A

 

27.7 kJ/mol
32.4 kJ/mol
{"N/A", "N/A", "N/A"} J/(kg K)
1541 °C
2830 °C
N/A
0.05

 

16 kJ/mol
318 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-38-2
{N/A, RTECSCG0525000, N/A}
{N/A, 6.1, N/A}
"N/A", {1558}, "N/A"
{N/A, N/A, N/A}
{N/A, 2, N/A}
N/ A, N/ A, N/ A
{N/A, 3, N/A}
{N/A, N/A, N/A}

 

N/A
N/A
CAS7440-20-2
N/A
4.1
3089
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A