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Periodic Table Element Comparison: Compare Elements - Samarium vs Krypton

Compare Samarium and Krypton

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

Facts

Samarium
62
Sm
150.36
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f6 6s2
1072 °C
1803 °C
2, 8, 18, 24, 8, 2
CAS7440-19-9
Neighborhood Elements of Samarium
Krypton
36
Kr
83.798
Gas
Colorless
noble gas
18
helium family or neon family 
4
p
[Ar] 3d10 4s2 4p6
-157.36 °C
-153.22 °C
2, 8, 18, 8
CAS7439-90-9
Neighborhood Elements of Krypton

History

History
The element Samarium was discovered by Lecoq de Boisbaudran in year 1879 in France. Samarium derived its name from from Samarskite, the name of the mineral from which it was first isolated
The element Krypton was discovered by William Ramsay in year 1898 in United Kingdom. Krypton derived its name derived its name from from the Greek kryptos, meaning 'hidden'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
5×10-7%
1×10-7%
1.7e-07
6e-06
4.5×10-11%
N/A
4×10-6%
N/A
N/A
1.5×10-8%
2.1×10-8%
N/A

Crystal Structure and Atomic Structure

238 pm
20.448796409629 cm3
N/A
N/A
5.9×103
samarium Spectrum
362.1, 362.1, 2625 pm
π/2, π/2, 2 π/3
R_ 3m
166

Simple Trigonal

samarium Crystal Structure
88 pm
22.346133333333 cm3
110 pm
202 pm
25
krypton Spectrum
570.6, 570.6, 570.6 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

krypton 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
62
62
62
150.36
88.36
2, 8, 18, 24, 8, 2
[Xe] 4f6 6s2
4f6 6s2
 2;3
7F0
samarium Shells
36
36
36
83.798
47.798
2, 8, 18, 8
[Ar] 3d10 4s2 4p6
4s2 4p6
 2
1S0
krypton Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
144Sm, 149Sm, 150Sm, 152Sm, 154Sm.
Naturally occurring stable isotopes:
78Kr, 80Kr, 82Kr, 83Kr, 84Kr, 86Kr.

Chemical Properties: Ionization Energies and electron affinity

3
1.17
50 kJ/mol
544.5, 1070, 2260, 3990 kJ/mol
2
3
0 kJ/mol
1350.8, 2350.4, 3565, 5070, 6240, 7570, 10710, 12138, 22274, 25880, 2.97×104, 3.38×104, 3.77×104, 4.31×104, 4.75×104, 5.22×104, 5.71×104, 6.18×104, 7.58×104, 8.04×104, 8.53×104 kJ/mol

Physical Properties

7.353 g/cm3
20.448796409629

 

50 GPa
20 GPa
38 GPa
0.27


 

N/A
412 MPa
441 MPa

 

1.1×106 S/m
9.4×10-7 m Ω
N/A

 

13 W/(m K)
0.0000127 K-1

 

Paramagnetic
N/A
1.11×10-7
1.669×10-8
0.00081618

 

N/A

 

2130 m/s
3.75 g/l
22.346133333333

 

N/A
N/A
N/A
N/A


 

N/A
N/A
N/A

 

N/A
N/A
N/A

 

0.00943 W/(m K)
N/A

 

Diamagnetic
N/A
-4.4×10-9
-3.69×10-10
-1.65×10-8

 

1.000427

 

1120 m/s

Thermal Properties - Enthalpies and thermodynamics

1072 °C
1803 °C
N/A
N/A

 

8.6 kJ/mol
175 kJ/mol
N/A
-157.36 °C
-153.22 °C
209.41 K
N/A

 

1.64 kJ/mol
9.02 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-19-9
N/A
4.1
1325
N/A
1
N/A
1
1

 

150 °C
N/A
CAS7439-90-9
RTECSOC6772500
2.2
1970
EU231-098-5
N/A
N/A
N/A
N/A

 

N/A
N/A