Ra	Z =  88	◊ ◊ ◊ ◊ ◊	Radium
			From the Latin "radius", meaning "ray"
(AM) Atomic Mass	226.0254  amu	♦	Oxidation States	+2
(BP) Boiling Point	1140  °C	♦	(MP) Melting Point	700  °C
(ρ) Density	5  g/cm3	♦	Crystal Structure	Body Centered Cubic
( χ ) Electronegativity	0.9	♦	(AR) Atomic Radius	n/a
Physical State	Solid	♦	(C) Heat Capacity	n/a
Electronic-Config	[Rn]  7s2	♦	(I1) First Ionization E	509.34  kJ/mol
(ΔHvap) Heat of Vaporization	113  kJ/mol	♦	(ΔHfus) Heat of Fusion	8.5  kJ/mol
Year of Discovery	1898	♦	Location of Discovery	France
(E°) Standard Potential	Ra2+⇔ Ra (-2.800 V)
Stable isotopes	None. All natural isotopes are radioactive
Discovered/Synthesized by	Marie Sklodowska Curie, Pierre Curie
Natural Source	The mineral/ore uraninite
Common Uses	Luminous watches, medical radon production, radiography
Other Info	Discovered by Pierre and Marie Curie Was used in luminous watch dials
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