The united states rallied to the aid of cuba in 1898 mainly because it had a need for revenge against spain wanted to protect its own interests had a military base to protect wanted others to know freedom

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?

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

Which substance has non polar covalent bonds