Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions: zn+2, pb+4, cl−, s−2

Which element is the least metallic between cadmium, silver, zinc, or iron?

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments