What is Radium?

1 Periodic Table

1.1 Symbol

1.2 Group Number

1.3 Period Number

1.4 Block

1.5 Element Family

1.6 CAS Number

1.7 Space Group Name

1.8 Space Group Number

2 Facts

2.1 Interesting Facts

2.2 Sources

2.3 History

2.3.1 Who Discovered

2.3.2 Discovery

2.4 Abundance

2.4.1 Abundance In Universe

2.4.3 Abundance In Sun

2.5.2 Abundance In Meteorites

2.5.4 Abundance In Earth's Crust

2.6.3 Abundance In Oceans

2.6.6 Abundance In Humans

3 Uses

3.1 Uses & Benefits

3.1.1 Industrial Uses

3.1.2 Medical Uses

3.1.4 Other Uses

3.2 Biological Properties

3.2.1 Toxicity

3.2.2 Present in Human Body

3.2.3 In Blood

3.2.6 In Bone

4 Physical

4.1 Melting Point

4.2 Boiling Point

4.3 Appearance

4.3.1 Physical State

4.3.2 Color

4.3.3 Luster

4.4 Hardness

4.4.1 Mohs Hardness

4.4.4 Brinell Hardness

4.5.1 Vickers Hardness

4.6 Speed of Sound

4.8 Optical Properties

4.8.1 Refractive Index

5.1.1 Reflectivity

5.2 Allotropes

5.2.1 α Allotropes

5.2.2 β Allotropes

5.2.3 γ Allotropes

6 Chemical

6.1 Chemical Formula

6.2 Isotopes

6.2.1 Known Isotopes

6.6 Electronegativity

6.6.1 Pauling Electronegativity

6.6.3 Sanderson Electronegativity

6.6.5 Allred Rochow Electronegativity

6.6.6 Mulliken-Jaffe Electronegativity

6.7.2 Allen Electronegativity

6.8 Electropositivity

6.8.1 Pauling Electropositivity

6.9 Ionization Energies

6.9.1 1st Energy Level

6.9.2 2nd Energy Level

6.10.1 3rd Energy Level

6.11.1 4th Energy Level

6.11.2 5th Energy Level

6.13.1 6th Energy Level

6.13.2 7th Energy level

6.14.1 8th Energy Level

6.14.2 9th Energy Level

6.16.1 10th Energy Level

7.1.2 11th Energy Level

7.1.4 12th Energy Level

7.1.5 13th Energy Level

7.2.1 14th Energy Level

7.4.2 15th Energy Level

7.4.4 16th Energy Level

7.4.5 17th Energy Level

7.5.2 18th Energy Level

7.5.3 19th Energy Level

7.5.5 20th Energy Level

7.5.6 21st Energy Level

7.5.7 22nd Energy Level

7.5.9 23rd Energy Level

7.5.10 24th Energy Level

7.5.11 25th Energy Level

7.6.1 26th Energy Level

7.6.2 27th Energy Level

7.6.3 28th Energy Level

8.1.2 29th Energy Level

8.1.3 30th Energy Level

8.2 Electrochemical Equivalent

8.3 Electron Work Function

8.5 Other Chemical Properties

9 Atomic

9.1 Atomic Number

9.2 Electron Configuration

9.3 Crystal Structure

9.3.1 Crystal Lattice

9.4 Atom

9.4.1 Number of Protons

9.4.3 Number of Neutrons

10.1.1 Number of Electrons

10.2 Radius of an Atom

10.2.1 Atomic Radius

10.3.1 Covalent Radius

10.3.2 Van der Waals Radius

10.5 Atomic Weight

10.6 Atomic Volume

10.8 Adjacent Atomic Numbers

10.8.1 Previous Element

10.8.2 Next Element

10.9 Valence Electron Potential

10.11 Lattice Constant

10.12 Lattice Angles

10.13 Lattice C/A Ratio

11 Mechanical

11.1 Density

11.1.1 Density At Room Temperature

11.2.2 Density When Liquid (at m.p.)

11.3 Tensile Strength

11.4 Viscosity

11.5 Vapor Pressure

11.5.1 Vapor Pressure at 1000 K

11.5.2 Vapor Pressure at 2000 K

11.7 Elasticity properties

11.7.1 Shear Modulus

11.7.2 Bulk Modulus

11.7.3 Young's Modulus

11.8 Poisson Ratio

11.9 Other Mechanical Properties

12 Magnetic

12.1 Magnetic Characteristics

12.1.1 Specific Gravity

12.1.2 Magnetic Ordering

12.1.3 Permeability

12.1.4 Susceptibility

12.2 Electrical Properties

12.2.1 Electrical Property

12.2.2 Resistivity

12.2.3 Electrical Conductivity

12.2.4 Electron Affinity

2 Thermal

2.1 Specific Heat

2.5 Molar Heat Capacity

2.8 Thermal Conductivity

3.5 Critical Temperature

3.6 Thermal Expansion

3.7 Enthalpy

3.7.1 Enthalpy of Vaporization

3.7.3 Enthalpy of Fusion

4.2.4 Enthalpy of Atomization

4.3 Standard Molar Entropy