Name: _________________________ CHEM-120 Exam 2 For numbers 1-15, find and write the letter from the terms below that match each definition. (1 points each) 1) __k__The total number of protons and neutrons in an atom 2) __m__Passive Transport by the random motion of diffusion through the cell membrane 3) __w__Having right or left handedness 4) __d__Compounds with the same molecular formulas, but different structures 5) __f__A methyl group bonded to a carbonyl group 6) __p__The amount of energy necessary for reactants to surmount the energy barrier to a reaction; determines reaction rate. 7) __n__Mirror image isomers 8) __e__The energy required to remove one electron from a single atom in the gaseous state 9) __j__Regular and repeating structural patterns created by H-bonding between backbone atoms in neighboring segments of protein chains 10) __i__A negatively charged ion 11) __x__A bond in which the electrons are attracted more strongly by one atom than by the o...