Element 76 - Osmium / Osmium

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

184

183.9525

0.02

0

185 *

184.9540

0

1/2-

186 *

185.9538

1.58

0

187

186.9557

1.60

1/2-

188

187.9559

13.30

0

189

188.9581

16.10

3/2+

190

189.9584

26.40

0

191 *

190.9609

0

9/2-

192

191.9615

41.00

0

(* = unstable isotope)

Mass Number	Atomic Mass	% Abundance	Nuclear Spin
184	183.9525	0.02	0
185 *	184.9540	0	1/2-
186 *	185.9538	1.58	0
187	186.9557	1.60	1/2-
188	187.9559	13.30	0
189	188.9581	16.10	3/2+
190	189.9584	26.40	0
191 *	190.9609	0	9/2-
192	191.9615	41.00	0

Electron Configuration:

[Xe] 4f¹⁴ 5d⁶ 6s²

Relative Atomic Mass:

190.2

State (25°C, 1 atm):

solid, metal

Density:

22590 kg/m³

Melting Temperature:

3327 K

Boiling Temperature:

5300 K

Electron Configuration:	[Xe] 4f¹⁴ 5d⁶ 6s²
Relative Atomic Mass:	190.2
State (25°C, 1 atm):	solid, metal
Density:	22590 kg/m³
Melting Temperature:	3327 K
Boiling Temperature:	5300 K