The chemical formula for water is H20. What does the formula show
about each element in the compound?
Select one:
the mass of protons in each atom
the number of atoms of each element
the number of valence electrons
the charge of the compound
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Ответ:
I believe the answer is "The number of atoms of each element."
Explanation:
H2o means 1 Hydrogen atom and 2 Oxygen atoms (However you won't see a "1" next to it, or any formula with only one atom present for that matter).
Ответ:
In the future, hydrogen will join electricity as an important energy carrier, since it can be made safely from renewable energy sources and is virtually non-polluting.