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kvv77 [185]
3 years ago
13

Which metal atom below cannot form a cation of several different charges?

Chemistry
1 answer:
Slav-nsk [51]3 years ago
4 0
Missing question: <span>Cr, Mn, Fe, Ba, Cu.
Answer is: Ba (barium).
Barium is metal from second group of periodic table of elements. Barium looses two electrons and has oxidation number +2.
Chromium has different oxidation numbers, usually +3 and +6, iron has oxidation numbers +2 and +3, copper +1 and +2 in their compounds.</span>
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