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Periodic Table Element Comparison: Compare Elements - Francium vs Fermium

Compare Francium and Fermium

Compare Francium and Fermium 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 Fermium with most reliable information about their properties, attributes, facts, uses etc. You can compare Fr vs Fm 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
Fermium
100
Fm
257
Solid
N/A
actinide
N/A
 
7
f
[Rn] 5f12 7s2
1527 °C
N/A
2, 8, 18, 32, 30, 8, 2
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Neighborhood Elements of Fermium

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 Fermium was discovered by Lawrence Berkeley National Laboratory in year 1952 in United States. Fermium derived its name derived its name from from Enrico Fermi, 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
5.8×103
fermium Spectrum
N/A
N/A
N/A
N/A

Body Centered Cubic

fermium 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
100
100
100
257
157
2, 8, 18, 32, 30, 8, 2
[Rn] 5f12 7s2
5f12 7s2
 2;3
3H6
fermium 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
3
1.3
N/A
627 kJ/mol

Physical Properties

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N/A

 

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N/A

Thermal Properties - Enthalpies and thermodynamics

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

 

2 kJ/mol
65 kJ/mol
N/A
1527 °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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