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Curium
Curium

Sodium
Sodium



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1 Periodic Table
1.1 Symbol
Cm
Na
1.2 Group Number
NA1
Gadolinium
0 17
2.2 Period Number
73
Lithium
2 7
2.5 Block
f block
s block
2.7 Element Family
Actinide
Alkali
2.8 CAS Number
74405197440235
Aluminium
7429905 54386242
2.9 Space Group Name
Not Available
Im_ 3m
2.10 Space Group Number
NA229.00
Plutonium
11 229
3 Facts
3.1 Interesting Facts
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  • At room temperature Sodium metal is very soft as it can be chopped down into pieces with butter knife.
  • The most common compound of Sodium is NaCl (Salt).
3.2 Sources
Bombarding Plutonium with Helium Ions
By Electrolysis Process, Mining
3.3 History
3.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Humphry Davy
3.3.2 Discovery
In 1944
In 1807
3.4 Abundance
3.4.1 Abundance In Universe
NA2 * 10-3 %
Thallium
5E-09 0.11
3.4.3 Abundance In Sun
~-9999 %~0.004 %
Beryllium
1E-08 0.1
3.4.5 Abundance In Meteorites
NA0.55 %
Gold
1.7E-07 22
3.5.2 Abundance In Earth's Crust
NA2.30 %
Radium
9.9E-12 8.1
3.5.4 Abundance In Oceans
NA1.10 %
Protactinium
2E-23 1.1
3.5.6 Abundance In Humans
NA0.14 %
Radium
1E-13 1.4
4 Uses
4.1 Uses & Benefits
  • Curium metal is used to provide power to electrical equipment for space missions.
  • In some nuclear reactors sodium is used as a heat exchanger.
  • Compound of Sodium metals called Salt (Sodium chloride) is used in Food.
4.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
4.1.2 Medical Uses
NA
Pharmaceutical Industry
4.1.3 Other Uses
Research Purposes
Alloys
4.2 Biological Properties
4.2.1 Toxicity
Unknown
Toxic
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-31,970.00 Blood/mg dm-3
Plutonium
0 1970
4.3.1 In Bone
0.00 p.p.m.10,000.00 p.p.m.
Plutonium
0 170000
5 Physical
5.1 Melting Point
1,340.00 °C97.72 °C
Francium
27 3410
5.4 Boiling Point
3,110.00 °C883.00 °C
Flerovium
147 5660
5.6 Appearance
5.6.1 Physical State
Solid
Solid
5.6.2 Color
Silver
Silvery White
5.6.3 Luster
Metallic
Metallic
5.7 Hardness
5.7.1 Mohs Hardness
NA0.50
Cesium
0.2 8.5
6.1.2 Brinell Hardness
NA0.69 MPa
Cesium
0.14 3490
6.1.3 Vickers Hardness
NANA
Palladium
121 3430
6.2 Speed of Sound
NA3,200.00 m/s
Thallium
818 16200
6.4 Optical Properties
6.4.1 Refractive Index
NANA
Mercury
1.000933 1.7229
6.5.1 Reflectivity
NANA
Molybdenum
58 97
6.7 Allotropes
6.7.1 α Allotropes
Not Available
Not Available
6.7.2 β Allotropes
Not Available
Not Available
6.7.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
Cm
Na
7.2 Isotopes
7.2.1 Known Isotopes
1517
Tennessine
0 38
7.3 Electronegativity
7.3.1 Pauling Electronegativity
1.300.93
Francium
0.7 2.54
7.4.2 Sanderson Electronegativity
NA0.56
Cesium
0.22 2.56
7.4.4 Allred Rochow Electronegativity
1.201.01
Cesium
0.86 1.82
7.4.6 Mulliken-Jaffe Electronegativity
NA0.91
Cesium
0.62 2.48
7.4.7 Allen Electronegativity
NA0.87
Cesium
0.659 2.7
7.6 Electropositivity
7.6.1 Pauling Electropositivity
2.703.07
Gold
1.46 3.3
8.2 Ionization Energies
8.2.1 1st Energy Level
581.00 kJ/mol495.80 kJ/mol
Cesium
375.7 26130
8.2.4 2nd Energy Level
1,196.00 kJ/mol4,562.00 kJ/mol
Ruthenium
710.2162 28750
8.2.6 3rd Energy Level
2,026.00 kJ/mol6,910.30 kJ/mol
Osmium
1600 34230
8.3.3 4th Energy Level
3,550.00 kJ/mol9,543.00 kJ/mol
Thorium
2780 37066
8.3.5 5th Energy Level
NA13,354.00 kJ/mol
Dubnium
4305.2 97510
8.3.6 6th Energy Level
NA16,613.00 kJ/mol
Seaborgium
5715.8 105800
8.3.8 7th Energy level
NA20,117.00 kJ/mol
Bohrium
7226.8 114300
8.3.9 8th Energy Level
NA25,496.00 kJ/mol
Hassium
8857.4 125300
9.1.1 9th Energy Level
NA28,932.00 kJ/mol
Yttrium
14110 134700
9.1.2 10th Energy Level
NA141,362.00 kJ/mol
Strontium
17100 144300
9.2.1 11th Energy Level
NA159,076.00 kJ/mol
Yttrium
19900 169988
9.3.1 12th Energy Level
NANA
Molybdenum
22219 189368
9.4.1 13th Energy Level
NANA
Molybdenum
26930 76015
9.5.1 14th Energy Level
NANA
Molybdenum
29196 86450
9.5.2 15th Energy Level
NANA
Manganese
41987 97510
9.6.2 16th Energy Level
NANA
Iron
47206 109480
9.6.4 17th Energy Level
NANA
Cobalt
52737 122200
9.6.5 18th Energy Level
NANA
Nickel
58570 134810
9.6.7 19th Energy Level
NANA
Copper
64702 148700
9.7.1 20th Energy Level
NANA
Molybdenum
80400 171200
9.7.2 21st Energy Level
NANA
Molybdenum
87000 179100
9.7.3 22nd Energy Level
NANA
Molybdenum
93400 184900
9.7.4 23rd Energy Level
NANA
Molybdenum
98420 198800
9.7.5 24th Energy Level
NANA
Molybdenum
104400 195200
9.7.6 25th Energy Level
NANA
Molybdenum
121900 121900
9.7.7 26th Energy Level
NANA
Molybdenum
127700 127700
9.7.8 27th Energy Level
NANA
Molybdenum
133800 133800
9.7.9 28th Energy Level
NANA
Molybdenum
139800 139800
9.7.10 29th Energy Level
NANA
Molybdenum
148100 148100
9.7.11 30th Energy Level
NANA
Molybdenum
154500 154500
9.8 Electrochemical Equivalent
3.07 g/amp-hr0.86 g/amp-hr
Beryllium
0.16812 8.3209
9.9 Electron Work Function
NA2.75 eV
Cesium
2.14 5.65
9.10 Other Chemical Properties
Ionization, Radioactive Isotopes
Chemical Stability, Corrosion, Flammability, Ionization, Solubility
10 Atomic
10.1 Atomic Number
9611
Lithium
3 117
10.2 Electron Configuration
[Rn] 5f7 6d1 7s2
[Ne] 3s1
10.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Body Centered Cubic (BCC)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
9611
Lithium
3 117
10.4.2 Number of Neutrons
15112
Lithium
4 184
10.4.3 Number of Electrons
9611
Lithium
3 117
10.5 Radius of an Atom
10.5.1 Atomic Radius
174.00 pm186.00 pm
Beryllium
112 265
10.5.2 Covalent Radius
169.00 pm166.00 pm
Beryllium
96 260
10.5.3 Van der Waals Radius
200.00 pm227.00 pm
Zinc
139 348
10.6 Atomic Weight
247.00 amu22.99 amu
Lithium
6.94 294
10.7 Atomic Volume
18.28 cm3/mol23.70 cm3/mol
Manganese
1.39 71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
44.50 (-eV)14.10 (-eV)
Francium
8 392.42
10.10 Lattice Constant
NA429.06 pm
Beryllium
228.58 891.25
10.11 Lattice Angles
NA
π/2, π/2, π/2
10.12 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
13.51 g/cm30.97 g/cm3
Lithium
0.534 40.7
11.1.2 Density When Liquid (at m.p.)
13.85 g/cm30.93 g/cm3
Lithium
0.512 20
11.2 Tensile Strength
NANA
Indium
2.5 11000
11.3 Viscosity
NANA
Mercury
0.001526 0.001526
11.4 Vapor Pressure
11.4.1 Vapor Pressure at 1000 K
NANA
Cerium
2.47E-11 121
11.4.2 Vapor Pressure at 2000 K
NANA
Tungsten
2.62E-10 774
11.5 Elasticity properties
11.5.1 Shear Modulus
NA3.30 GPa
Potassium
1.3 222
11.5.2 Bulk Modulus
NA6.30 GPa
Cesium
1.6 462
11.5.3 Young's Modulus
NA10.00 GPa
Cesium
1.7 528
11.6 Poisson Ratio
NANA
Beryllium
0.032 0.47
11.7 Other Mechanical Properties
Unknown
NA
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
13.510.97
Lithium
0.53 4500
12.1.2 Magnetic Ordering
Antiferromagnetic
Paramagnetic
12.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
12.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
12.2 Electrical Properties
12.2.1 Electrical Property
Unknown
Conductor
12.2.2 Resistivity
1.25 nΩ·m47.70 nΩ·m
Thallium
0.18 961
12.2.3 Electrical Conductivity
NA0.21 106/cm Ω
Plutonium
0.00666 0.63
12.2.4 Electron Affinity
NA52.80 kJ/mol
Mercury
0 222.8
13 Thermal
13.1 Specific Heat
NA1.23 J/(kg K)
Americium
0.11 3.6
13.2 Molar Heat Capacity
NA28.23 J/mol·K
Beryllium
16.443 62.7
13.3 Thermal Conductivity
NA142.00 W/m·K
Neptunium
6.3 429
13.4 Critical Temperature
NA2,573.00 K
Ytterbium
26.3 3223
13.5 Thermal Expansion
NA71.00 µm/(m·K)
Tungsten
4.5 97
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
NA89.04 kJ/mol
Zinc
7.32 799.1
13.6.2 Enthalpy of Fusion
15.00 kJ/mol2.59 kJ/mol
Cesium
2.1 35.23
13.6.3 Enthalpy of Atomization
NA108.40 kJ/mol
Mercury
61.5 837
13.7 Standard Molar Entropy
NA51.30 J/mol.K
Beryllium
9.5 198.1