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Periodic Table Element Comparison: Compare Elements - Francium vs Einsteinium

Compare Francium and Einsteinium

Compare Francium and Einsteinium 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 Einsteinium with most reliable information about their properties, attributes, facts, uses etc. You can compare Fr vs Es 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
CAS7440-73-5
Neighborhood Elements of Francium
Einsteinium
99
Es
252
Solid
N/A
actinide
N/A
 
7
f
[Rn] 5f11 7s2
860 °C
N/A
2, 8, 18, 32, 29, 8, 2
CAS7429-92-7
Neighborhood Elements of Einsteinium

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 Einsteinium was discovered by Lawrence Berkeley National Laboratory in year 1952 in United States. Einsteinium derived its name derived its name from from Albert Einstein, physicist

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
N/A
N/A
N/A
N/A
N/A
None
N/A
None
None
None
None
None

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
N/A
N/A cm3
N/A
N/A
160
einsteinium Spectrum
N/A
N/A
N/A
N/A

Face Centered Cubic

einsteinium 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
99
99
99
252
153
2, 8, 18, 32, 29, 8, 2
[Rn] 5f11 7s2
5f11 7s2
 2;3;4
5I15/2
einsteinium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
None.
Naturally occurring stable isotopes:
None.

Chemical Properties: Ionization Energies and electron affinity

1
0.7
N/A
380 kJ/mol
4
1.3
N/A
619 kJ/mol

Physical Properties

N/A
N/A

 

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N/A


 

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N/A
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N/A
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N/A

 

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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

 

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N/A

 

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N/A
N/A
N/A
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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
860 °C
N/A
N/A
N/A

 

N/A
N/A
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

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

 

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CAS7429-92-7
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N/A

 

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