kodiebclay
28.07.2019 •
Chemistry
What is the oxidation number of manganese (mn) in potassium permanganate (kmno4)? (3 points)
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Ответ:
Mn(x)
O(-2)
1+x-2*4=0
x=7
Ответ:
A
Explanation:
Because think about it if you see a person with their mom they're mom may have brown eyes and they may have green eyes and that's because of genetics. They don't always have to have the exact same features they may look completely different that doesn't mean that's not their offspring.