Chem 161 Exam 3 Review (Nov. 21) PDF

Chem 161 Dr. Amy Fuller EXAM 3 THURSDAY (Nov. 21)! Focus on Ch 7, 8, 9, but 1/4 review questions Nothing Due on Saturday EXAM 3 THURSDAY (Nov. 21)! Bring a pencil, photo ID, and a calculator. You can't turn in an exam without a photo ID. ROOM ASSIGNMENTS – LAST NAME: A - L g...

Chem 161 Dr. Amy Fuller EXAM 3 THURSDAY (Nov. 21)! Focus on Ch 7, 8, 9, but 1/4 review questions Nothing Due on Saturday EXAM 3 THURSDAY (Nov. 21)! Bring a pencil, photo ID, and a calculator. You can't turn in an exam without a photo ID. ROOM ASSIGNMENTS – LAST NAME: A - L go to SPAL 155 (A, B, C, D, E, F, G, H, I, J, K, L) M - Z go to BIL 152 (M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z) Billy Pieper, Director of Strategic Partnerships and Mortgage, ASB Senior Vice President and Director of Strateg Partnerships for American Savings Bank (AS Played college football and baseball at UCLA Professional baseball with the Kansas City Royals Master of business administration degree fro the University of Hawai`i at Mānoa Share his financial knowledge with students the University of Hawai`i at Mānoa’s Shidler College of Business. Hui Kapili – Building a better Hawai`i togethe chrodinger Equation – Input Output Quantum numbers Probability map where (n, l, ml, ms) e- can exist in an atom (orbital) Periodic Table is a guide to determine which orbital electrons make  Rules for making e- into orbitals auli Exclusion Principle – no 2 e-s can have same 4 Q (max 2 e-s per orbital) (n, l, m ms) l, Aufbau Principle – e-s fill lower energy levels first (Ground State – lowest energy state) und’s Rule – when filling degenerate (same E) orbita e-s fill each orbital before pairing Indicate whether the configuration corresponds to the ground state (follows all rules) or an excited state?  Full, empty or half filled shells are more Ca: [Ar]4s2 stable. Full, empty or half filled shells are more stable. Cr: [Ar]4s 3d 1 5 Cr+1: Magnetic things have unpaired electrons! Paramagnetic – unpaired electrons, magnetic Diamagnetic – paired electrons, non magnetic Mn: [Ar] 4s13d5 Zn: [Ar] 4s23d10 Write electron configuration for Br:  Chemical Properties of elements are determined by valence electrons! Br: [Ar]4s23d104p5  Why do elements/ions act the way they do? # protons Zeff electron energy levels (n) electron configurations Li: 1s22s1 𝑍 𝑒𝑓𝑓 =𝑍 − 𝑆  General Atomic Trends Atomic Radius Electron Affinity (EA) Ionization Energy (IE) Electronegativity y!? , # protons, electron energy levels (n), electron configurati Atomic Size – described by atom radius; how close electrons are to nucleus.  Atomic Radius Which is bigger? 1) Na 2) Rb y!? , # protons, electron energy levels (n), electron configurati  Atomic Radius Which is bigger? 1) B 2) F y!? , # protons, electron energy levels (n), electron configurati  Atomic Size – described by atom radius; How close electrons are to nucleus What is the trend? Why?! , # protons, electron energy levels (n), electron configurati Atomic Size in picometers  Which is bigger? Cation vs Atom 1) Mg2+ 2) Mg Y? , # protons, electron energy levels (n), electron configurati  Which is bigger? Anion vs Atom 1) Se2- vs 2) Se Y? , # protons, electron energy levels (n), electron configurati  Why are cations smaller and anions bigger? Y? , # protons, electron energy levels (n), electron configurati