Which star is the dimmest HELP PLEASE
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Chemistry, 21.06.2019 14:30
Which statement justifies that phosphine (ph3) is a polar molecule?
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Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?
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Chemistry, 22.06.2019 12:10
If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?
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Chemistry, 22.06.2019 13:30
The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
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