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why do some transition metals have multiple oxidation states?
transition metals have multiple oxidation states because of their
sublevel.
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According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

Adilute aqueous potassium nitrate solution is