Question: How many electrons are in the valence d orbitals in these transition-metal ions? (a) Co3+, (b) Cu+, (c) Cd2+, (d) Os3+,.

How many electrons are in the valence d orbitals in these transition-metal ions?
(a) Co3+,
(b) Cu+,
(c) Cd2+,
(d) Os3+,.

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