Class Notes for CHEM101 at University of Alberta (U OF A)

April 10: from last lecture: the density of al, conductors, semiconductors, and. Al volume of the cell = 6. 631 x 10^-26 m^3. Molar mass of al = 4 atom

April 5: properties of solids, crystal structure, unit cells, cubic lattice, unit cells and. The molecules within a solid have minimal motion, the move

April 1: determining intermolecular forces: overview (continued), estimating ionic. Interactions, ion - dipole attraction, dipole-dipole attractions, h

March 25: distributions of speeds, distributions of speeds and energy, effect of. Temperature and mass, calculation for the ratio of speeds, real gases

March 22: gas mixtures: dalton"s law, dalton"s law of partial pressures, kinetic. The molecular properties of gases are 1) that molecules are negligibl

March 20: gases and kinetic molecular theory, measuring quantities of gases, ideal gas. There are five unique behaviours of gases that are different to

March 15: oxyacids, facts about acid strength, oxides. When looking at chloride oxyacids from strongest to weakest they"d be hclo , hclo , They"re ka v

March 18: hydrides, periodic trends of hydrides, review. These are typically groups 1 or 2 and they are not very electronegative. Ionic hydrides are ma

March 6: molecular orbital (mo) theory, the h molecular orbital diagram, homonuclear. Diatomic molecules, constructing molecular orbitals, and homonucl

March 8: n and o , mos for homonuclear diatomics, heteronuclear diatomic molecules, The energy in the pi bonds is lower than the energy for the sigma b

Valence bond theory, sp hybridization, sp^2 hybridization, sp^3 hybridization. Valence bond theory: that electrons are located in orbitals, and they ar

February 11: electron group arrangements and molecular shapes: Two electron groups (two points in space), three electron groups (three points in space)

February 8: review, lewis dot structures, resonance structures,picking the best. Resonance structures (continued), molecular shape and structure (not o

February 6: breaking the octet rule (continued), formal atom charges, Resonance structures, electron delocalization, picking the best resonance. The se

February 4: introduction to molecular structure and bonding, the step-by-step. Approach to writing lewis structures, the octet rule, breaking the octet

February 1: bond order, names and formulas for chemical compounds, naming acids. Bond order is the number of electron pairs shared within a covalent bo

January 23: effective charge, screening, orbitals, relative energy of orbitals, and electron configuration of the elements. When z (nuclear charge) is

January 25th: electron configurations of the elemets, of ions, of transition metals, predicting atomic electronic configurations of metals, preiodic tr

They are the solution to the schr dinger equation and they tell us where electrons can be based on probability. The quantum numbers all together create

Chemistry 101: lecture 6: quantum numbers, orbital shapes and energies. There is a set of four quantum numbers associated with each electron and they a

Chemistry 101 lecture 5- the bohr model, ionization energy and wave. The bohr model: ionization energy n=1 is the lowest possible energy state, it has

Does not provide the roles of the atomic orbitals in bond formation (need another theory for this) Two theories are needed to explain covalent bonding:

Chem 101 - lecture 15 - valence bond theory and orbital hybridization. 11. 1, 11. 2, 11. 3 up to and including p. 446. Ignore p. 447 -8 (7th edition),

Chem 101 - lecture 11 - stoichiometry review. Quiz - fri oct. 9 - wednesday oct. 14 (includes online lecture and two in class lectures on all aspects o

Chem 101 - lecture 10 - bonding and nomenclature. Next online lecture: thursday oct. 1 to monday oct 5 at 8 am. Lecture quiz on friday oct. 9 at 2 pm -

Chem 101 - lecture 9 - ionization energy. Review: handout 2, section 2. 7, 2. 8 (no organic names), chapter 3 stoichiometry. Practise: problem set 2 ca

Chem 101 - lecture 8 - trends of the periodic table. Note: read 8. 3 and skip electron affinity p. 343. Non - metals will gain electrons while metal el

Chem 101 - lecture 6 - multielectron atoms. 2 you are expected to sketch/interpret s,p,d orbitals. You must sketch or interpret a plot of a simplified

Chem 101 - lecture 4 - bohr model and quantum theory. Practise problem set 2, questions 1 - 4. Classical mechanics predicts that the electron would col

Chem 101 - lecture 5 - quantum theory. 1st online lecture - friday sept. 18. at 2 pm - monday sept. 21 at 6 am. Bohr model works well for the hydrogen