CHM110H5 Lecture Notes - Lecture 2: Intermolecular Force, Binding Energy, Boiling Point
Document Summary
*know the first 36 elements and the 53rd and 54th names and symbols, know charges of transition metals. Size of the atom is larger than the components in the atom b/c the electrons give the atom its shape. The actual mass is less than the sum of the components. Of all the cl atoms, only 75. 53% of them are the isotope. The mass equivalent to the energy holding the nucleus together (binding energy) The mass on the periodic table is an average: 35. 46 = (0. 7553)(34. 97)+(0. 2447)(36. 97) Electrons are simultaneously attracted to their own nucleus and the nucleus of another atom (chemical. Tf 0. 7% u235 and 99. 3% u238. Polar covalent e- are unequally shared. Ionic e- are not shared, they are given/lost. Redox rxns one cannot happen without the other. Positive ions are always smaller than the atom from which they were formed. The negative ions are always larger than the atom from which they were formed.
