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Periodic Table Element Comparison: Compare Elements - Francium vs Europium

Compare Francium and Europium

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

Facts

Francium
87
Fr
223
Solid
Silver
alkali metal
1
lithium family 
7
s
[Rn] 7s1
N/A
N/A
2, 8, 18, 32, 18, 8, 1
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Neighborhood Elements of Francium
Europium
63
Eu
151.964
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f7 6s2
822 °C
1527 °C
2, 8, 18, 25, 8, 2
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Neighborhood Elements of Europium

History

History
The element Francium was discovered by Marguerite Perey in year 1939 in France. Francium derived its name from from Francia, the New Latin name for France
The element Europium was discovered by Eugène-Anatole Demarçay in year 1901 in France. Europium derived its name derived its name from from Europe

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
N/A
N/A
N/A
N/A
N/A
None
5×10-8%
5×10-8%
5.9×10-6%
1.8e-06
1.3×10-11%
N/A

Crystal Structure and Atomic Structure

N/A
N/A cm3
N/A
N/A
N/A
francium Spectrum
N/A
N/A
N/A
N/A

Body Centered Cubic

francium Crystal Structure
231 pm
28.978642257818 cm3
N/A
N/A
4450
europium Spectrum
458.1, 458.1, 458.1 pm
π/2, π/2, π/2
Im_ 3m
229

Body Centered Cubic

europium 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
87
87
87
223
136
2, 8, 18, 32, 18, 8, 1
[Rn] 7s1
7s1
 1
2S1/2
francium Shells
63
63
63
151.964
88.964
2, 8, 18, 25, 8, 2
[Xe] 4f7 6s2
4f7 6s2
 2;3
8S7/2
europium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
None.
Naturally occurring stable isotopes:
151Eu, 153Eu.

Chemical Properties: Ionization Energies and electron affinity

1
0.7
N/A
380 kJ/mol
3
N/A
50 kJ/mol
547.1, 1085, 2404, 4120 kJ/mol

Physical Properties

N/A
N/A

 

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


 

N/A
N/A
N/A

 

N/A
N/A
N/A

 

N/A
N/A

 

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

 

N/A

 

N/A
5.244 g/cm3
28.978642257818

 

18 GPa
7.9 GPa
8.3 GPa
0.15


 

N/A
167 MPa
N/A

 

1.1×106 S/m
9×10-7 m Ω
N/A

 

14 W/(m K)
0.000035 K-1

 

Paramagnetic
N/A
2.76×10-7
4.1942×10-8
0.0014473

 

N/A

 

N/A

Thermal Properties - Enthalpies and thermodynamics

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

 

2 kJ/mol
65 kJ/mol
N/A
822 °C
1527 °C
N/A
N/A

 

9.2 kJ/mol
175 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-73-5
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A
CAS7440-53-1
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A