Where is nickel found in a compound?

Answer 1

By itself or part of an alloy consisting of other metals. It can be also used as a compound -

nickel (III) oxide - typically used in one specific type of rechargeable batteries (nickel-cadmium; NiCd)

Answer 2

Examples of nickel compounds: nickel chloride, nickel nitrate, nickel carbonyl, nickel carbonate etc.

Answer 3

Nickel can be found in compounds such as nickel sulfide, nickel oxide, and nickel carbonate. These compounds are formed when nickel combines with other elements like sulfur, oxygen, and carbon.