A sample of an oxide of arsenic is found to contain 75.74% arsenic. What is its empirical formula?

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

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)