Os	Z =  76	◊ ◊ ◊ ◊ ◊	Osmium
			From the Greek "osme", meaning "a smell"
(AM) Atomic Mass	190.2  amu	♦	Oxidation States	+3, +4
(BP) Boiling Point	5027  °C	♦	(MP) Melting Point	3045  °C
(ρ) Density	22.5  g/cm3	♦	Crystal Structure	Hexagonal
( χ ) Electronegativity	2.2	♦	(AR) Atomic Radius	1.28  Å
Physical State	Solid	♦	(C) Heat Capacity	0.13  J/g °C
Electronic-Config	[Xe]  4f14  5d6  6s2	♦	(I1) First Ionization E	839.42  kJ/mol
(ΔHvap) Heat of Vaporization	738  kJ/mol	♦	(ΔHfus) Heat of Fusion	57.85  kJ/mol
Year of Discovery	1803	♦	Location of Discovery	United Kingdom
(E°) Standard Potential	None
Stable isotopes	184Os,  187Os,  188Os,  189Os,  190Os,  192Os
Discovered/Synthesized by	Smithson Tennant
Natural Source	Isolated from the native elements or alloys of the various elements or arsenides
Common Uses	Electric contacts, pen tips, needles, fingerprint powder
Other Info	Densest of the elements
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