Chemistry, 04.08.2019 07:30 bubster5820
How many neutrons does element x have if its atomic number is 29 and its mass number is 99?
Answers: 1
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The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
Answers: 1
Chemistry, 22.06.2019 19:30, Adrian12313
Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.
Answers: 1
How many neutrons does element x have if its atomic number is 29 and its mass number is 99?...
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