What is. Is the measure of the amount of something. Definitions. Given an original sample of g of the isotope, how much will be left after an hour?grams; grams;grams;grams answer to the first questions and enter these on the special answer sheet. Anything Is the measure of the amount of Write a balanced half equation for the reduction of dichromate (VI) ions to chromium (II) ions. Work out the formulae of the following compounds: potassium chlorate (III), CHMPast Questions and Answers (1)Free