What is the periodic table?

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

What is the correct lewis structure for chloroform chcl3

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)