A compound contains 64 g of O and 4 g of H. What is the empirical formula for this compound? A. H4O4
B. H2O2
C. H2O
D. H O

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)