Give the number of d-electrons associated with the central metal ion in each of the following complexes: k3[fe(cn)], [mn(h2o)6](no3)2, na[ag(cn)2], [cr(nh3)4br2]clo4, [sr(edta)]2-

If the element whose electric configuration ends in the d sublevel, the element is calssified as? a.inner transition b.noble gases c.representative d. transition

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

What is the most stable monatomic ion formed from nitrogen