Which one of the following substances has three unpaired d electrons? which one of the following substances has three unpaired d electrons? [cu(nh3)4]2+ [v(h2o)6]4+ [ag(nh3)2]+ [zn(nh3)4]2+ [cr(cn)6]3-

Answer    "a salt" would be the best answerexplanationsalts can be defined as ionic compounds that are neither acids nor bases. nacl is an example of a salt, and its ionic.an enzyme is an organic compound which is covalently bonded, not ionically bonded.acids are generally held together by covalent bondsan element does not need any bonds to exist

It's potassium i believe

Answerrestate the main idea,essay or thesis, summarize the three subpoints of your essay, leave the reader with an interesting final impression;