Ba	Z =  56	◊ ◊ ◊ ◊ ◊	Barium
			From the Greek "barys", meaning "heavy"
(AM) Atomic Mass	137.327  amu	♦	Oxidation States	+2
(BP) Boiling Point	1640  °C	♦	(MP) Melting Point	725  °C
(ρ) Density	3.5  g/cm3	♦	Crystal Structure	Body Centered Cubic
( χ ) Electronegativity	0.9	♦	(AR) Atomic Radius	1.98  Å
Physical State	Solid	♦	(C) Heat Capacity	0.204  J/g °C
Electronic-Config	[Xe]  6s2	♦	(I1) First Ionization E	502.88  kJ/mol
(ΔHvap) Heat of Vaporization	140.3  kJ/mol	♦	(ΔHfus) Heat of Fusion	7.12  kJ/mol
Year of Discovery	1808	♦	Location of Discovery	England
(E°) Standard Potential	Ba2+⇔ Ba (-2.912 V)
Stable isotopes	130Ba,  132Ba,  134Ba,  135Ba,  136Ba,  137Ba,  138Ba
Discovered/Synthesized by	Sir Humphry Davy
Natural Source	The mineral/ore barite
Common Uses	Stomach X-Ray contrast enhancer, green fireworks, whitener and filler for paper
Other Info	Opaque to X-rays
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