Consider the group 1a elements sodium (period3), potassium (period 4) and rubidium period 5). whatwould you predict about the ionization energies of theses elements?

What is the effect of returning nuclear reactor cooling water back into bodies of water?

Chromium(iii) sulfate is a transition metal compound containing the metal chromium and the polyatomic ion sulfate. the oxidation state of chromium in this compound is , and the chemical formula of the compound is ( ) . reset next

What properties would have caused early researchers to name hydrogen "inflammable air”