What group is Zn (Zinc) in?

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

In 2002, the rare earth elements mine in mountain pass, california was closed because

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?