Some chemical reactions absorb energy rather than release it. which of these phenomena are caused by chemical reactions that absorb energy? if you're not sure, make a guess

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Give the orbital configuration of the phosphorus (p) atom.

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)