›› Physical and chemical properties of Radium

Atomic Number:88
Element Symbol:Ra
Element Name:Radium
Atomic Weight:226
Group Number:2
Group Name:Alkaline earth metal
Period Number:7
Ground State Configuration:[Rn] 7s2
Ground State Level:1S0
Standard State:Solid
Common Valences:0,2
Bond Length:445.8
Atomic Radius Empirical:215
First Ionization Energy:509.3
Pauling Electronegativity:0.9
Allred Rochow Electronegativity:0.97
Mulliken Jaffe Electronegativity:0.92
Density Of Solid:5000
Molar Volume:41.09
Electrical Resistivity:100
Melting Point:700
Boiling Point:1737
Thermal Conductivity:19
Enthalpy Of Fusion:about 8
Enthalpy Of Vaporization:about 125
Enthalpy Of Atmization:159
Most Common Oxidation Numbers:2
Discovered By:Pierre and Marie Curie
Discovered At:France
Discovered When:1898
Origin Of Name:From the Latin word radius meaning ray

Calculate the molecular weight of Radium or molecular weight Ra.

Also see the full list of chemical elements and atomic weights.

››Compounds that contain Radium

Radium Chloride  RaCl2
Radium Bromide  RaBr2
Radium Carbonate  RaCO3
Radium Fluoride  RaF2
Radium Iodide  RaI2
Radium Nitrate  RaNO3
Radium Oxide  RaO
Radium Hydroxide  Ra(OH)2
Radium Sulfate  RaSO4