1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
2.3 Block
2.4 Element Family
2.5 CAS Number
74402357439910
7429905
54386242
2.6 Space Group Name
2.7 Space Group Number
4 Facts
4.1 Interesting Facts
- 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).
- Lanthanum metal is highly malleable, ductile and sectile.
- If exposed to air Lanthanum metal oxidizes rapidly.
4.2 Sources
By Electrolysis Process, Mining
Found in Minerals, Mining, Ores of Minerals
4.3 History
4.3.1 Who Discovered
Humphry Davy
Carl Gustaf Mosander
4.3.2 Discovery
4.4 Abundance
4.4.1 Abundance In Universe
2 * 10-3 %2 * 10-7 %
5E-09
0.11
4.4.2 Abundance In Sun
~0.004 %~0.0000002 %
1E-08
0.1
4.4.3 Abundance In Meteorites
4.5.1 Abundance In Earth's Crust
4.5.2 Abundance In Oceans
4.7.2 Abundance In Humans
5 Uses
5.1 Uses & Benefits
- In some nuclear reactors sodium is used as a heat exchanger.
- Compound of Sodium metals called Salt (Sodium chloride) is used in Food.
- It has no commercial uses, but its alloys are in high demand. Lanthanum and Nickel alloy is used for the hydrogen gas storage.
- The best-known use for mischmetal alloy of Lanthanum is; as a ‘flints’ for cigarette lighters.
5.1.1 Industrial Uses
Electrical Industry, Electronic Industry
Electrical Industry, Electronic Industry
5.1.2 Medical Uses
Pharmaceutical Industry
NA
5.1.3 Other Uses
Alloys
Alloys, Mirror Manufacturing
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
1,970.00 Blood/mg dm-3NA
0
1970
5.2.4 In Bone
10,000.00 p.p.m.0.08 p.p.m.
0
170000
6 Physical
6.1 Melting Point
97.72 °C920.00 °C
27
3410
6.2 Boiling Point
883.00 °C3,469.00 °C
147
5660
6.3 Appearance
6.3.1 Physical State
6.3.3 Color
Silvery White
Silvery White
6.3.4 Luster
6.4 Hardness
6.4.1 Mohs Hardness
6.4.2 Brinell Hardness
0.69 MPa350.00 MPa
0.14
3490
6.5.1 Vickers Hardness
6.6 Speed of Sound
3,200.00 m/s2,475.00 m/s
818
16200
6.8 Optical Properties
6.8.1 Refractive Index
6.8.2 Reflectivity
6.9 Allotropes
6.9.1 α Allotropes
Not Available
Not Available
6.9.2 β Allotropes
Not Available
Not Available
6.9.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
8.3 Electronegativity
8.3.1 Pauling Electronegativity
8.3.2 Sanderson Electronegativity
8.4.2 Allred Rochow Electronegativity
8.4.4 Mulliken-Jaffe Electronegativity
8.4.5 Allen Electronegativity
8.5 Electropositivity
8.5.1 Pauling Electropositivity
8.6 Ionization Energies
8.6.1 1st Energy Level
495.80 kJ/mol538.10 kJ/mol
375.7
26130
8.6.2 2nd Energy Level
4,562.00 kJ/mol1,067.00 kJ/mol
710.2162
28750
8.7.2 3rd Energy Level
6,910.30 kJ/mol1,850.30 kJ/mol
1600
34230
8.8.2 4th Energy Level
9,543.00 kJ/mol4,819.00 kJ/mol
2780
37066
8.8.4 5th Energy Level
13,354.00 kJ/mol5,940.00 kJ/mol
4305.2
97510
8.8.6 6th Energy Level
16,613.00 kJ/molNA
5715.8
105800
8.8.8 7th Energy level
20,117.00 kJ/molNA
7226.8
114300
8.8.10 8th Energy Level
25,496.00 kJ/molNA
8857.4
125300
8.8.12 9th Energy Level
28,932.00 kJ/molNA
14110
134700
8.8.14 10th Energy Level
141,362.00 kJ/molNA
17100
144300
8.8.16 11th Energy Level
159,076.00 kJ/molNA
19900
169988
8.8.19 12th Energy Level
8.8.21 13th Energy Level
8.8.23 14th Energy Level
8.8.26 15th Energy Level
8.8.27 16th Energy Level
8.8.30 17th Energy Level
8.8.32 18th Energy Level
8.8.34 19th Energy Level
8.8.36 20th Energy Level
8.8.38 21st Energy Level
8.8.40 22nd Energy Level
8.8.43 23rd Energy Level
8.8.45 24th Energy Level
8.8.47 25th Energy Level
8.8.49 26th Energy Level
8.8.51 27th Energy Level
8.8.53 28th Energy Level
8.8.55 29th Energy Level
8.8.56 30th Energy Level
8.9 Electrochemical Equivalent
0.86 g/amp-hr1.73 g/amp-hr
0.16812
8.3209
8.12 Electron Work Function
8.13 Other Chemical Properties
Chemical Stability, Corrosion, Flammability, Ionization, Solubility
Ionization, Radioactive Isotopes, Solubility
9 Atomic
9.1 Atomic Number
10.2 Electron Configuration
10.3 Crystal Structure
Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.7.2 Number of Neutrons
10.7.4 Number of Electrons
10.8 Radius of an Atom
10.8.1 Atomic Radius
186.00 pm187.00 pm
112
265
10.8.2 Covalent Radius
166.00 pm207.00 pm
96
260
10.9.2 Van der Waals Radius
227.00 pm240.00 pm
139
348
10.10 Atomic Weight
22.99 amu138.91 amu
6.94
294
10.11 Atomic Volume
23.70 cm3/mol20.73 cm3/mol
1.39
71.07
10.13 Adjacent Atomic Numbers
10.13.1 Previous Element
10.13.2 Next Element
10.14 Valence Electron Potential
14.10 (-eV)40.71 (-eV)
8
392.42
10.16 Lattice Constant
429.06 pm377.20 pm
228.58
891.25
10.19 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
10.20 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
0.97 g/cm36.16 g/cm3
0.534
40.7
11.2.1 Density When Liquid (at m.p.)
0.93 g/cm35.94 g/cm3
0.512
20
12.2 Tensile Strength
12.3 Viscosity
12.4 Vapor Pressure
12.4.1 Vapor Pressure at 1000 K
12.4.2 Vapor Pressure at 2000 K
12.6 Elasticity properties
12.6.1 Shear Modulus
3.30 GPa14.30 GPa
1.3
222
12.8.2 Bulk Modulus
6.30 GPa27.90 GPa
1.6
462
12.8.4 Young's Modulus
10.00 GPa36.60 GPa
1.7
528
12.10 Poisson Ratio
12.11 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
13.1.3 Permeability
13.1.5 Susceptibility
13.2 Electrical Properties
13.2.1 Electrical Property
13.2.2 Resistivity
47.70 nΩ·m615.00 nΩ·m
0.18
961
13.3.1 Electrical Conductivity
0.21 106/cm Ω0.01 106/cm Ω
0.00666
0.63
14.1.3 Electron Affinity
52.80 kJ/mol48.00 kJ/mol
0
222.8
15 Thermal
15.1 Specific Heat
1.23 J/(kg K)0.19 J/(kg K)
0.11
3.6
15.3 Molar Heat Capacity
28.23 J/mol·K27.11 J/mol·K
16.443
62.7
15.4 Thermal Conductivity
142.00 W/m·K13.40 W/m·K
6.3
429
15.5 Critical Temperature
15.6 Thermal Expansion
71.00 µm/(m·K)12.10 µm/(m·K)
4.5
97
16.2 Enthalpy
16.2.1 Enthalpy of Vaporization
89.04 kJ/mol399.60 kJ/mol
7.32
799.1
16.3.1 Enthalpy of Fusion
2.59 kJ/mol6.20 kJ/mol
2.1
35.23
16.3.2 Enthalpy of Atomization
108.40 kJ/mol431.00 kJ/mol
61.5
837
16.5 Standard Molar Entropy
51.30 J/mol.K56.90 J/mol.K
9.5
198.1