Chemistry, 15.12.2020 16:10, rebekahlm

When hydrogen reacts with calcium metal, what are the oxidation numbers of the calcium and hydrogen in the CaH2 product? Ca(s)+ H2(g) → CaH2

a. +2 and -1
b. +1 and -2
c. +2 and 2
d. 0 and 0
e. -2 and +1

Answers: 2

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When hydrogen reacts with calcium metal, what are the oxidation numbers of the calcium and hydrogen...