Electrons are only
about 0.054% as massive as neutrons and protons are only 99.86% as massive as
the neutrons. The mass of the Proton is 1.67 x 10^-27 kg and the mass of the electron
is 9.11 x 10^-31 kg. The mass of the electron is so much lighter than the mass
of the proton.
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The correct answer to your question is: <span>C) tin (IV) bromide, SnBr₄</span>
The SI unit for mass is Kilogram (kg).
A straight chain hydrocarbon with the formula C5 H10: has a double C-C bond
