×

Technetium
Technetium

Radium
Radium



ADD
Compare
X
Technetium
X
Radium

Technetium vs Radium

Add ⊕
1 Periodic Table
1.1 Symbol
Tc
Ra
1.2 Group Number
72
Gadolinium
0 17
1.3 Period Number
57
Lithium
2 7
1.4 Block
d block
s block
1.5 Element Family
Transition Metal
Alkaline Earth
1.6 CAS Number
74402687440144
Aluminium
7429905 54386242
1.7 Space Group Name
P63/mmc
Im_ 3m
1.8 Space Group Number
194.00229.00
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • Original name of Technetium was Masurium.
  • At the time of its discovery it found in sample of Molybdenum.
  • Radium metal is the heaviest metal of Alkaline earth metals column.
  • Radium metal is highly radioactive and does not have any stable isotopes.
2.2 Sources
Made by Bombarding Molybdenum with Deuterons
Mining, Ores of metals
2.3 History
2.3.1 Who Discovered
Emilio Segrè and Carlo Perriero
Not Available
2.3.2 Discovery
In 1937
In 1898
2.4 Abundance
2.4.1 Abundance In Universe
NANA
Thallium
5E-09 0.11
2.4.2 Abundance In Sun
~-9999 %~-9999 %
Beryllium
1E-08 0.1
2.4.3 Abundance In Meteorites
NANA
Gold
1.7E-07 22
2.4.4 Abundance In Earth's Crust
NA0.00 %
Palladium
9.9E-12 8.1
2.4.5 Abundance In Oceans
NA0.00 %
Protactinium
2E-23 1.1
2.4.6 Abundance In Humans
NA0.00 %
Tin
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
  • It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
  • It is used in luminous paints.
3.1.1 Industrial Uses
NA
NA
3.1.2 Medical Uses
NA
Pharmaceutical Industry
3.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
NA
3.2 Biological Properties
3.2.1 Toxicity
Low Toxic
Highly Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
Plutonium
0 1970
3.2.4 In Bone
0.00 p.p.m.NA
Plutonium
0 170000
4 Physical
4.1 Melting Point
2,200.00 °C700.00 °C
Francium
27 3410
4.2 Boiling Point
4,877.00 °C1,737.00 °C
Flerovium
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Shiny Gray
Silvery White
4.3.3 Luster
NA
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
NANA
Cesium
0.2 8.5
4.4.2 Brinell Hardness
NANA
Cesium
0.14 3490
4.4.3 Vickers Hardness
NANA
Palladium
121 3430
4.5 Speed of Sound
16,200.00 m/sNA
Thallium
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
4.6.2 Reflectivity
NANA
Molybdenum
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Tc
Ra
5.2 Isotopes
5.2.1 Known Isotopes
1833
Tennessine
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
1.900.90
Francium
0.7 2.54
5.3.2 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
5.3.3 Allred Rochow Electronegativity
1.360.97
Cesium
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
NA0.92
Cesium
0.62 2.48
5.3.5 Allen Electronegativity
1.510.89
Cesium
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.103.10
Gold
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
702.00 kJ/mol509.30 kJ/mol
Cesium
375.7 26130
5.5.2 2nd Energy Level
1,470.00 kJ/mol979.00 kJ/mol
Ruthenium
710.2162 28750
5.5.3 3rd Energy Level
2,850.00 kJ/molNA
Osmium
1600 34230
5.5.4 4th Energy Level
NANA
Thorium
2780 37066
5.5.5 5th Energy Level
NANA
Dubnium
4305.2 97510
5.5.6 6th Energy Level
NANA
Seaborgium
5715.8 105800
5.5.7 7th Energy level
NANA
Bohrium
7226.8 114300
5.5.8 8th Energy Level
NANA
Hassium
8857.4 125300
5.5.9 9th Energy Level
NANA
Yttrium
14110 134700
5.5.10 10th Energy Level
NANA
Strontium
17100 144300
5.5.11 11th Energy Level
NANA
Yttrium
19900 169988
5.5.12 12th Energy Level
NANA
Molybdenum
22219 189368
5.5.13 13th Energy Level
NANA
Molybdenum
26930 76015
5.5.14 14th Energy Level
NANA
Molybdenum
29196 86450
5.5.15 15th Energy Level
NANA
Manganese
41987 97510
5.5.16 16th Energy Level
NANA
Iron
47206 109480
5.5.17 17th Energy Level
NANA
Cobalt
52737 122200
5.5.18 18th Energy Level
NANA
Nickel
58570 134810
5.5.19 19th Energy Level
NANA
Copper
64702 148700
5.5.20 20th Energy Level
NANA
Molybdenum
80400 171200
5.5.21 21st Energy Level
NANA
Molybdenum
87000 179100
5.5.22 22nd Energy Level
NANA
Molybdenum
93400 184900
5.5.23 23rd Energy Level
NANA
Molybdenum
98420 198800
5.5.24 24th Energy Level
NANA
Molybdenum
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum
154500 154500
5.6 Electrochemical Equivalent
0.52 g/amp-hr4.22 g/amp-hr
Beryllium
0.16812 8.3209
5.7 Electron Work Function
NANA
Cesium
2.14 5.65
5.8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Radioactivity
6 Atomic
6.1 Atomic Number
4388
Lithium
3 117
6.2 Electron Configuration
[Kr] 4d5 5s2
[Rn] 7s2
6.3 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
4388
Lithium
3 117
6.4.2 Number of Neutrons
55138
Lithium
4 184
6.4.3 Number of Electrons
4388
Lithium
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
136.00 pmNA
Beryllium
112 265
6.5.2 Covalent Radius
147.00 pm221.00 pm
Beryllium
96 260
6.5.3 Van der Waals Radius
200.00 pm283.00 pm
Zinc
139 348
6.6 Atomic Weight
98.00 amu226.00 amu
Lithium
6.94 294
6.7 Atomic Volume
8.50 cm3/mol45.20 cm3/mol
Manganese
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
180.00 (-eV)20.10 (-eV)
Francium
8 392.42
6.10 Lattice Constant
273.50 pm514.80 pm
Beryllium
228.58 891.25
6.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
6.12 Lattice C/A Ratio
1.60NA
Beryllium
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
11.00 g/cm35.50 g/cm3
Lithium
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
NANA
Lithium
0.512 20
7.2 Tensile Strength
NANA
Indium
2.5 11000
7.3 Viscosity
NANA
Mercury
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
NANA
Cerium
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
NANA
Tungsten
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
NANA
Potassium
1.3 222
7.5.2 Bulk Modulus
NANA
Cesium
1.6 462
7.5.3 Young's Modulus
NANA
Cesium
1.7 528
7.6 Poisson Ratio
NANA
Beryllium
0.032 0.47
7.7 Other Mechanical Properties
NA
NA
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
11.505.00
Lithium
0.53 4500
8.1.2 Magnetic Ordering
Paramagnetic
Nonmagnetic
8.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
NA
8.2.2 Resistivity
200.00 nΩ·m100.00 nΩ·m
Thallium
0.18 961
8.2.3 Electrical Conductivity
0.07 106/cm ΩNA
Plutonium
0.00666 0.63
8.2.4 Electron Affinity
53.00 kJ/molNA
Mercury
0 222.8
9 Thermal
9.1 Specific Heat
0.21 J/(kg K)0.12 J/(kg K)
Americium
0.11 3.6
9.2 Molar Heat Capacity
24.27 J/mol·KNA
Beryllium
16.443 62.7
9.3 Thermal Conductivity
50.60 W/m·K18.60 W/m·K
Neptunium
6.3 429
9.4 Critical Temperature
NANA
Ytterbium
26.3 3223
9.5 Thermal Expansion
7.10 µm/(m·K)NA
Tungsten
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
660.00 kJ/molNA
Zinc
7.32 799.1
9.6.2 Enthalpy of Fusion
23.01 kJ/molNA
Cesium
2.1 35.23
9.6.3 Enthalpy of Atomization
649.00 kJ/mol163.00 kJ/mol
Mercury
61.5 837
9.7 Standard Molar Entropy
181.10 J/mol.K71.00 J/mol.K
Beryllium
9.5 198.1