Radium

{{Element <3 | name=Radium | symbol=Ra | available= | need= | number=88 | mass=[226] | group=2 | period=7 | phase=Solid | series=Alkaline earth metals | density=5.5 g/cm3 | melts=973K,
700°C,
1292°F | boils=2010K,
1737°C,
3159°F | isotopes=none | prior=Fr | next=Ac | above=Ba | aprior=Cs | anext=La | below=N/A | bprior=N/A | bnext=N/A | radius=215 | bohr= | covalent= | vdwr= | irad=(+2) 162 | ipot=5.28 | econfig=1s²
2s² 2p⁶
3s² 3p⁶ 3d¹⁰
4s² 4p⁶ 4d¹⁰ 4f¹⁴
5s² 5p⁶ 5d¹⁰
6s² 6p⁶
7s² | eshell=2, 8, 18, 32, 18, 8, 2 | enega=0.9 | eaffin=- | oxstat=2 | magn=Nonmagnetic | cryst=Body centered cubic | }} Radium is a Alkaline earth metal in group 2. It has a Body centered cubic crystalline structure. It does not have any isotopes considered to be natural. Its longest-lived known isotope has an atomic number of 226. This element has no stable isotopes.

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Radium has a boiling point of 1140 degrees Celcius. Radium has a melting point of 700 degress Celcius. Radium's Normal phase is SOLID. The name Radium comes from the latin root Radius meaning Ray. Radium is a metal. radium was discovered by Madame Marie Curie in 1898.