Cem 141 Final Study Guide Questions And Correct Answers

Greek philosophers atomic theory {Ans: -first atomic theory -elements: earth, fire, water, air -constantly in motion -made of mostly empty space}absorbing/emitting photons, energy levels are not orbitals (?) {Ans: how do electrons transition between energy levels?}what are the two methods to drawing Lewis Structures? {Ans: intuitive and rules-based}LDFs are present where??? {Ans: between all molecular species}What info is missing from a Lewis Structure? {Ans: 3D}assume all centers of electron density (repel/attract) each other {Ans: repel}