What are the oxidation numbers for groups 1-18 (skip groups 3-12)

The density of glycerin is 1.26grams/centimeter cubed . how many is this? use the conversion rates of and . express your answer to the correct number of significant figures.

What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion