The correct answer is: 15.9994 gm/mol
General:
Name, Symbol, Number: oxygen, O, 8
Chemical series: Nonmetals, chalcogens
Group, Period, Block: 16, 2, p
Appearance: colorless (gas), very pale blue (liquid)
Atomic mass: 15.9994(3) g/mol
Electron configuration: 1s2 2s2 2p4
Electrons per shell: 2, 6
Physical properties:
Phase: gas
Density (@ 0 °C, 101.325 kPa): 1.429 g/L
Melting point: 54.36 K (-218.79 °C, -361.82 °F)
Boiling point: 90.20 K (-182.95 °C, -297.31 °F)
Critical point: 154.59 K, 5.043 MPa
Heat of fusion (O2): 0.444 kJ·molâ1
Heat of vaporization (O2): 6.82 kJ·molâ1
Heat capacity(25 °C) (O2): 29.378 J·molâ1·Kâ1
Just in case you needed it...
2006-10-11 02:31:28
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answer #2
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answered by DBG 2
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16 mass unit..
you can find everything you need in a table in any chemistry-bioligy book called the element table
2006-10-11 02:17:01
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answer #3
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answered by bu735seif 2
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