;

Periodic Table Element Comparison: Compare Elements - Fluorine vs Francium

Compare Fluorine and Francium

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

Facts

Fluorine
9
F
18.9984032
Gas
Colorless
halogens
17
fluorine family 
2
p
[He] 2s2 2p5
-219.6 °C
-188.12 °C
2, 7
CAS7782-41-4
Neighborhood Elements of Fluorine
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

History

History
The element Fluorine was discovered by André-Marie Ampère in year 1886 in France. Fluorine derived its name from from the Latin fluere, meaning 'to flow'
The element Francium was discovered by Marguerite Perey in year 1939 in France. Francium derived its name derived its name from from Francia, the New Latin name for France

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
4e-07
5e-07
8.7e-05
0.00054
1.3e-06
3.7e-05
N/A
N/A
N/A
N/A
N/A
None

Crystal Structure and Atomic Structure

42 pm
11.201888679245 cm3
71 pm
147 pm
0.0096
fluorine Spectrum
550, 328, 728 pm
π/2, π/2, π/2
C12/c1
15

Base Centered Monoclinic

fluorine Crystal 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

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
9
9
9
18.9984032
9.9984032
2, 7
[He] 2s2 2p5
2s2 2p5
-1  
2P3/2
fluorine Shells
87
87
87
223
136
2, 8, 18, 32, 18, 8, 1
[Rn] 7s1
7s1
 1
2S1/2
francium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
19F.
Naturally occurring stable isotopes:
None.

Chemical Properties: Ionization Energies and electron affinity

1
3.98
328 kJ/mol
1681, 3374.2, 6050.4, 8407.7, 11022.7, 15164.1, 17868, 92038.1, 106434.3 kJ/mol
1
0.7
N/A
380 kJ/mol

Physical Properties

1.696 g/l
11.201888679245

 

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


 

N/A
N/A
N/A

 

N/A
N/A
N/A

 

0.0277 W/(m K)
N/A

 

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

 

1.000195

 

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

 

N/A

Thermal Properties - Enthalpies and thermodynamics

-219.6 °C
-188.12 °C
144.13 K
N/A

 

0.26 kJ/mol
3.27 kJ/mol
N/A
N/A
N/A
N/A
N/A

 

2 kJ/mol
65 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7782-41-4
RTECSLM6475000
2.3
9192
EU231-954-8
0
Oxidizing Agent, Water Reactive
4
4

 

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

 

N/A
N/A