Radium Copper Comparison
Periodic Table
Symbol
Ra
Cu
Group Number
2
16
11
7
Period Number
7
4
Block
s block
d block
Element Family
Alkaline Earth
Transition Metal
CAS Number
7440144
99+
7440508
37
Space Group Name
Im_ 3m
Fm_ 3m
Space Group Number
229.00
1
225.00
2
Facts
Interesting Facts
- Radium metal is the heaviest metal of Alkaline earth metals column.
- Radium metal is highly radioactive and does not have any stable isotopes.
- Copper rarely found in its pure form in nature.
- Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
Sources
Mining, Ores of metals
Found in Minerals
History
Who Discovered
Not Available
Unknown
Discovery
In 1898
In Middle East (9000 BCE)
Abundance
Abundance In Universe
Not Available
6 * 10-6 %
12
Abundance In Sun
~-9999 %
~0.00007 %
12
Abundance In Meteorites
Not Available
0.01 %
13
Abundance In Earth's Crust
0.00 %
99+
0.01 %
17
Abundance In Oceans
0.00 %
99+
0.00 %
8
Abundance In Humans
0.00 %
20
0.00 %
9
Uses
Uses & Benefits
- It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
- It is used in luminous paints.
- It is use for coinage and bullion.
- Most of copper element is used in manufacturing electrical and electronic equipments such as wirings and components. It is also used in construction and industrial machine.
Industrial Uses
NA
Chemical Industry, Electronic Industry
Medical Uses
Pharmaceutical Industry
NA
Other Uses
NA
Alloys, Coinage, Jewellery
Biological Properties
Toxicity
Highly Toxic
Non Toxic
Present in Human Body
No
Yes
In Blood
Not Available
1.01 Blood/mg dm-3
8
In Bone
Not Available
26.00 p.p.m.
12
Physical Properties
Melting Point
700.00 °C
99+
1,084.62 °C
40
Boiling Point
1,737.00 °C
99+
2,562.00 °C
99+
Appearance
Physical State
Solid
Solid
Color
Silvery White
Copper
Luster
Metallic
NA
Hardness
Mohs Hardness
Not Available
3.00
12
Brinell Hardness
Not Available
235.00 MPa
38
Vickers Hardness
Not Available
343.00 MPa
28
Speed of Sound
Not Available
3,810.00 m/s
19
Optical Properties
Reflectivity
Not Available
90.00 %
3
Allotropes
No
No
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Chemical Properties
Chemical Formula
Ra
Cu
Isotopes
Known Isotopes
33
6
29
10
Electronegativity
Pauling Electronegativity
0.90
99+
1.90
11
Sanderson Electronegativity
Not Available
1.98
9
Allred Rochow Electronegativity
0.97
38
1.75
3
Mulliken-Jaffe Electronegativity
0.92
20
1.49
14
Allen Electronegativity
0.89
99+
1.85
9
Electropositivity
Pauling Electropositivity
3.10
5
2.10
99+
Ionization Energies
1st Energy Level
509.30 kJ/mol
99+
745.50 kJ/mol
22
2nd Energy Level
979.00 kJ/mol
99+
1,957.90 kJ/mol
15
3rd Energy Level
Not Available
3,555.00 kJ/mol
15
4th Energy Level
Not Available
5,536.00 kJ/mol
12
5th Energy Level
Not Available
7,700.00 kJ/mol
11
6th Energy Level
Not Available
9,900.00 kJ/mol
10
7th Energy level
Not Available
13,400.00 kJ/mol
7
8th Energy Level
Not Available
16,000.00 kJ/mol
9
9th Energy Level
Not Available
19,200.00 kJ/mol
9
10th Energy Level
Not Available
22,400.00 kJ/mol
11
11th Energy Level
Not Available
25,600.00 kJ/mol
13
12th Energy Level
Not Available
35,600.00 kJ/mol
6
13th Energy Level
Not Available
38,700.00 kJ/mol
6
14th Energy Level
Not Available
42,000.00 kJ/mol
7
15th Energy Level
Not Available
46,700.00 kJ/mol
9
16th Energy Level
Not Available
50,200.00 kJ/mol
10
17th Energy Level
Not Available
53,700.00 kJ/mol
12
18th Energy Level
Not Available
61,100.00 kJ/mol
10
19th Energy Level
Not Available
64,702.00 kJ/mol
11
20th Energy Level
Not Available
163,700.00 kJ/mol
2
21st Energy Level
Not Available
174,100.00 kJ/mol
2
22nd Energy Level
Not Available
184,900.00 kJ/mol
1
23rd Energy Level
Not Available
198,800.00 kJ/mol
1
Electrochemical Equivalent
4.22 g/amp-hr
6
1.19 g/amp-hr
99+
Electron Work Function
Not Available
4.65 eV
11
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Corrosion, Ionization, Solubility
Atomic Properties
Atomic Number
88
30
29
99+
Electron Configuration
[Rn] 7s2
[Ar] 3d10 4s1
Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
FCC-Crystal-Structure-of-Copper.jpg#100
Atom
Number of Protons
88
30
29
99+
Number of Neutrons
138
16
35
99+
Number of Electrons
88
30
29
99+
Radius of an Atom
Atomic Radius
Not Available
128.00 pm
99+
Covalent Radius
221.00 pm
3
132.00 pm
99+
Van der Waals Radius
283.00 pm
4
140.00 pm
99+
Atomic Weight
226.00 amu
26
63.55 amu
99+
Atomic Volume
45.20 cm3/mol
4
7.10 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
20.10 (-eV)
99+
34.00 (-eV)
99+
Lattice Constant
514.80 pm
13
361.49 pm
35
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
5.50 g/cm3
99+
8.96 g/cm3
99+
Density When Liquid (at m.p.)
Not Available
8.02 g/cm3
27
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 1000 K
Not Available
1.53 (Pa)
8
Elasticity properties
Shear Modulus
Not Available
48.00 GPa
15
Bulk Modulus
Not Available
140.00 GPa
12
Young's Modulus
Not Available
120.00 GPa
17
Poisson Ratio
Not Available
0.34
10
Other Mechanical Properties
NA
Ductile, Malleable
Magnetic Properties
Magnetic Characteristics
Specific Gravity
5.00
99+
8.89
34
Magnetic Ordering
Nonmagnetic
Diamagnetic
Permeability
Not Available
1.256629 * 10-6 H/m
5
Susceptibility
Not Available
-9.63 * 10-6
4
Electrical Properties
Electrical Property
NA
Conductor
Resistivity
100.00 nΩ·m
31
16.78 nΩ·m
99+
Electrical Conductivity
Not Available
0.60 106/cm Ω
2
Electron Affinity
Not Available
222.80 kJ/mol
1
Thermal Properties
Specific Heat
0.12 J/(kg K)
40
0.38 J/(kg K)
15
Molar Heat Capacity
Not Available
24.44 J/mol·K
99+
Thermal Conductivity
18.60 W/m·K
99+
401.00 W/m·K
2
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
16.50 µm/(m·K)
25
Enthalpy
Enthalpy of Vaporization
Not Available
283.70 kJ/mol
33
Enthalpy of Fusion
Not Available
7.11 kJ/mol
99+
Enthalpy of Atomization
163.00 kJ/mol
99+
338.90 kJ/mol
29
Standard Molar Entropy
71.00 J/mol.K
14
33.20 J/mol.K
99+
|
||
|
||
|
