What number should be placed in front of LiCl to balance this chemical equation? 2Li + MgCl2 → Licl + Mg​

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

Fred is studying a substance that is made out of only one element. this means that

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.