Chem 161 Exam 2 Questions And Answers 100% Correct

Based on the principle quantum number N, what can the values of the angular momentum quantum number l be? - ANS any integer 0 through (n-1) What determines the values of the magnetic quantum number ml? - ANS any integer +l through -l What determines the spin quantum number ms? - ANS either +1/2 or -1/2 what does the quantum number n represent? - ANS the size and energy level of an atomic orbital what does the quantum number l represent? - ANS the shape of the orbital what does the quantum number ml represent? - ANS the orbital orientation what does the quantum number ms represent? - ANS the spin of electron what is the equation for formal charge? - ANS FC= # of valence e- - (# of unbonded e- + 1/2[# of e- in bonding pairs]) What difference in electronegativity represents a polar bond? - ANS 0.4 x 2 What difference in electronegativity represents a non-polar bond? - ANS x /= 0.4 From what directions along the periodic table is electronegativity increasing? - ANS from left to right and bottom to top From what directions along the periodic table is electron affinity increasing? - ANS from left to right and bottom to top From what directions along the periodic table is atomic size increasing? - ANS from right to left and top to bottom From what directions along the periodic table is ionization energy increasing? - ANS from left to right and bottom to top How are ionic bonds named? - ANS First ion (positively charged metal) name, second ion (negatively charged non-metal) name with suffix -ion How are covalent bonds named? - ANS with prefixes - if first atom is singular don't use mono, it's understood what are the 2 transition metals outside the regular area? - ANS tin (Sn) and lead (Pb) (both in group 4)