In the reaction of magnesium metal with copper(II) nitrate, identify the element being oxidized. Mg + Cu(NO3)2 --> Mg(NO3)2 + Cu

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

Which statement best describes the he properties of iconic compounds ?

Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds