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Francium
Francium

Lithium
Lithium



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Francium
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Lithium

Francium Lithium Comparison

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1 Periodic Table
1.1 Symbol
Fr
Li
1.2 Group Number
11
Gadolinium Metal
0 17
1.3 Period Number
72
Sodium
2 7
1.4 Block
s block
s block
1.5 Element Family
Alkali
Alkali
1.6 CAS Number
74407357439932
Aluminium Metal
7429905 54386242
1.8 Space Group Name
Not Available
Im_ 3m
1.9 Space Group Number
NA229.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
  • Heat capacity of Lithium is very high.
  • Lithium inflammable and highly explosive metal, hence it has to be stored properly.
2.2 Sources
Formed by Decay Process, Mining
Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Marguerite Perey
Johan August Arfwedson
2.3.2 Discovery
In 1939
In 1817
2.4 Abundance
2.4.1 Abundance In Universe
NA6 * 10-7 %
Thallium Metal
5E-09 0.11
2.4.4 Abundance In Sun
~-9999 %~0.00017 %
Beryllium Metal
1E-08 0.1
2.4.7 Abundance In Meteorites
NA0.00 %
Gold Metal
1.7E-07 22
2.4.10 Abundance In Earth's Crust
NA0.00 %
Radium Metal
9.9E-12 8.1
2.4.13 Abundance In Oceans
NA0.00 %
Protactinium Metal
2E-23 1.1
2.4.16 Abundance In Humans
NA0.00 %
Radium Metal
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • Francium has no known uses as it has a half life of only 22 minutes.
  • The main usage of Lithium is manufacturing rechargeable batteries for electronic equipment and gadgets.
  • it is also used in manufacturing non-rechargeable batteries.
3.1.1 Industrial Uses
NA
Aerospace Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
NA
Alloys
3.2 Biological Properties
3.2.1 Toxicity
NA
NA
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
Plutonium Metal
0 1970
3.2.6 In Bone
0.00 p.p.m.1.30 p.p.m.
Plutonium Metal
0 170000
4 Physical
4.1 Melting Point
27.00 °C180.54 °C
Tin
27 3410
4.2 Boiling Point
677.00 °C1,347.00 °C
Flerovium Metal
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.3 Color
NA
Silvery White
4.3.4 Luster
NA
NA
4.4 Hardness
4.4.1 Mohs Hardness
NA0.60
Cesium Metal
0.2 8.5
4.4.5 Brinell Hardness
NA5.00 MPa
Cesium Metal
0.14 3490
4.4.9 Vickers Hardness
NANA
Palladium Metal
121 3430
4.5 Speed of Sound
NA6,000.00 m/s
Thallium Metal
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
4.6.4 Reflectivity
NANA
Molybdenum Metal
58 97
4.8 Allotropes
4.8.1 α Allotropes
Not Available
Not Available
4.8.2 β Allotropes
Not Available
Not Available
4.8.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Fr
Li
5.2 Isotopes
5.2.1 Known Isotopes
338
Tennessine Metal
0 38
5.4 Electronegativity
5.4.1 Pauling Electronegativity
0.700.98
Sodium
0.7 2.54
6.1.1 Sanderson Electronegativity
NA0.89
Cesium Metal
0.22 2.56
6.1.4 Allred Rochow Electronegativity
0.860.97
Cesium Metal
0.86 1.82
6.4.3 Mulliken-Jaffe Electronegativity
0.680.97
Cesium Metal
0.62 2.48
6.4.7 Allen Electronegativity
0.670.91
Cesium Metal
0.659 2.7
6.5 Electropositivity
6.5.1 Pauling Electropositivity
3.303.02
Gold Metal
1.46 3.3
6.7 Ionization Energies
6.7.1 1st Energy Level
380.00 kJ/mol520.20 kJ/mol
Cesium Metal
375.7 26130
6.9.1 2nd Energy Level
NA7,298.10 kJ/mol
Ruthenium Metal
710.2162 28750
7.1.1 3rd Energy Level
NA11,815.00 kJ/mol
Osmium Metal
1600 34230
7.1.3 4th Energy Level
NANA
Thorium Metal
2780 37066
7.5.2 5th Energy Level
NANA
Dubnium Metal
4305.2 97510
7.6.2 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
7.8.1 7th Energy level
NANA
Bohrium Metal
7226.8 114300
7.9.1 8th Energy Level
NANA
Hassium Metal
8857.4 125300
7.10.2 9th Energy Level
NANA
Yttrium Metal
14110 134700
8.1.2 10th Energy Level
NANA
Strontium Metal
17100 144300
8.1.4 11th Energy Level
NANA
Yttrium Metal
19900 169988
8.2.1 12th Energy Level
NANA
Molybdenum Metal
22219 189368
8.4.1 13th Energy Level
NANA
Molybdenum Metal
26930 76015
8.8.1 14th Energy Level
NANA
Molybdenum Metal
29196 86450
8.8.3 15th Energy Level
NANA
Manganese Metal
41987 97510
8.10.2 16th Energy Level
NANA
Iron Metal
47206 109480
8.12.1 17th Energy Level
NANA
Cobalt Metal
52737 122200
9.1.2 18th Energy Level
NANA
Nickel Metal
58570 134810
9.1.5 19th Energy Level
NANA
Copper Metal
64702 148700
9.1.6 20th Energy Level
NANA
Molybdenum Metal
80400 171200
9.3.1 21st Energy Level
NANA
Molybdenum Metal
87000 179100
10.1.2 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
10.2.2 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
10.2.5 24th Energy Level
NANA
Molybdenum Metal
104400 195200
10.2.8 25th Energy Level
NANA
Molybdenum Metal
121900 121900
10.4.3 26th Energy Level
NANA
Molybdenum Metal
127700 127700
10.4.4 27th Energy Level
NANA
Molybdenum Metal
133800 133800
10.4.7 28th Energy Level
NANA
Molybdenum Metal
139800 139800
10.4.8 29th Energy Level
NANA
Molybdenum Metal
148100 148100
10.4.11 30th Energy Level
NANA
Molybdenum Metal
154500 154500
10.5 Electrochemical Equivalent
8.32 g/amp-hr0.26 g/amp-hr
Beryllium Metal
0.16812 8.3209
11.2 Electron Work Function
NA2.90 eV
Cesium Metal
2.14 5.65
12.3 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Corrosion, Flammable, Ionization, Radioactive Isotopes
13 Atomic
13.1 Atomic Number
873
Sodium
3 117
13.3 Electron Configuration
[Rn] 7s1
[He] 2s1
13.4 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
13.4.1 Crystal Lattice
13.5 Atom
13.5.1 Number of Protons
873
Sodium
3 117
13.6.1 Number of Neutrons
1364
Sodium
4 184
13.8.1 Number of Electrons
873
Sodium
3 117
13.10 Radius of an Atom
13.10.1 Atomic Radius
NA152.00 pm
Beryllium Metal
112 265
13.10.3 Covalent Radius
260.00 pm128.00 pm
Beryllium Metal
96 260
13.10.5 Van der Waals Radius
348.00 pm182.00 pm
Zinc Metal
139 348
14.2 Atomic Weight
223.00 amu6.94 amu
Sodium
6.94 294
14.4 Atomic Volume
NA13.10 cm3/mol
Manganese Metal
1.39 71.07
14.7 Adjacent Atomic Numbers
14.7.1 Previous Element
14.7.2 Next Element
14.8 Valence Electron Potential
8.00 (-eV)19.00 (-eV)
Palladium
8 392.42
14.10 Lattice Constant
NA351.00 pm
Beryllium Metal
228.58 891.25
14.12 Lattice Angles
NA
π/2, π/2, π/2
14.13 Lattice C/A Ratio
NANA
Beryllium Metal
1.567 1.886
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
1.87 g/cm30.53 g/cm3
Palladium
0.534 40.7
15.2.2 Density When Liquid (at m.p.)
NA0.51 g/cm3
Sodium
0.512 20
15.3 Tensile Strength
NANA
Indium Metal
2.5 11000
15.4 Viscosity
NANA
Mercury Metal
0.001526 0.001526
15.5 Vapor Pressure
15.5.1 Vapor Pressure at 1000 K
NA109.00 (Pa)
Cerium Metal
2.47E-11 121
15.5.0 Vapor Pressure at 2000 K
NANA
Tungsten Metal
2.62E-10 774
15.7 Elasticity properties
15.7.1 Shear Modulus
NA4.20 GPa
Potassium Metal
1.3 222
15.7.2 Bulk Modulus
NA11.00 GPa
Cesium Metal
1.6 462
15.7.3 Young's Modulus
NA4.90 GPa
Cesium Metal
1.7 528
15.8 Poisson Ratio
NANA
Beryllium Metal
0.032 0.47
15.9 Other Mechanical Properties
NA
NA
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
NA0.53
Palladium
0.53 4500
16.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
16.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
16.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
16.2 Electrical Properties
16.2.1 Electrical Property
Poor Conductor
Conductor
16.2.2 Resistivity
3.00 nΩ·m92.80 nΩ·m
Thallium Metal
0.18 961
16.2.3 Electrical Conductivity
0.03 106/cm Ω0.11 106/cm Ω
Plutonium Metal
0.00666 0.63
16.2.4 Electron Affinity
NA59.60 kJ/mol
Mercury Metal
0 222.8
17 Thermal
17.1 Specific Heat
NA3.60 J/(kg K)
Americium Metal
0.11 3.6
17.2 Molar Heat Capacity
NA24.86 J/mol·K
Beryllium Metal
16.443 62.7
17.3 Thermal Conductivity
15.00 W/m·K84.80 W/m·K
Neptunium Metal
6.3 429
17.4 Critical Temperature
NA3,223.00 K
Ytterbium Metal
26.3 3223
17.5 Thermal Expansion
NA46.00 µm/(m·K)
Tungsten Metal
4.5 97
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
NA134.70 kJ/mol
Zinc Metal
7.32 799.1
17.6.2 Enthalpy of Fusion
NA3.00 kJ/mol
Cesium Metal
2.1 35.23
17.6.3 Enthalpy of Atomization
71.00 kJ/mol160.70 kJ/mol
Mercury Metal
61.5 837
17.7 Standard Molar Entropy
NA29.10 J/mol.K
Beryllium Metal
9.5 198.1