Ra - Radium - periodic table of the elements

Radium metal was isolated by the Curies and Andre Debierne in 1898 in Paris.

Atomic number	-	88		Density	g/mL	5
Atomic weight	u	226	.0254	Melting point	K	973
Bonding radius	A	-		Boiling point	K	1809
Atomic radius	A	-		Heat of vaporization	kJ/mol	-
Ionization Potential	V	5	.279	Heat of fusion	kJ/mol	-
Electronegativity	-	0	.9	Specific heat	J/gK	-
The oxide is a strong base.				Crystal are body centered cubic.
Electron configuration: [Rn] 7s²

Other elements of the periodic table

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

H He

Li Be B C N O F Ne

Na Mg Al Si P S Cl Ar

K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr

Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe

Cs Ba La * Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn

Fr Ra Ac ** Rf Db Sg Bh Hs Mt 110 111 112 113

Lanthanides* Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu

Actinides ** Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr