Electronic Structure of the Atom
Unit 1: Lecture 3
Lecture 3: Electron Configuration
Electron Configuration
Pauli Exclusion Principle:
o No two electrons can have exactly the same energy
o Therefore,
Electronic Structure of the Atom
Unit 1: Lecture 1
Lecture 1: Wave and Particle Nature of Matter
Niels Bohr tried to explain the location of electrons
Based his ideas on the relationship between matt
Electronic Structure of the Atom
Unit 1: Lecture 2
Lecture 2: Quantum Numbers
Quantum Mechanics
Schrodinger developed quantum mechanics: a mathematical treatment into which both the wave
and particle
Electronic Structure of the Atom
Unit 1: Lecture 4
Lecture 4: Photoelectron Spectroscopy (PES)
Photoelectron Spectroscopy (PES)
Spectroscopy
How it works:
1. Sample is exposed to electromagnetic radi
Unit 2: Thermochemistry
Lecture 1: Energy and How Its Transferred
Vocabulary:
Thermodynamics
Energy
Work Energy used to move an object over some distance. w = _
w is work, F is the force, d is the d
Unit 2: Thermochemistry
Lecture 4: Calculating Enthalpy
HOW DO WE FIGURE OUT H TO INCLUDE IN OUR EQUATION?
Method #1 to find H: Calorimetry
When H
=q, you can calculate q like you did in your first ye
Unit 2: Thermochemistry
Lecture 2: The First Law of Thermodynamics
Internal Energy The sum of all kinetic and potential energies of all components of
the system. (We call it E)
Usually we dont measure
Unit 2: Thermochemistry
Lecture 3: Enthalpy
P-V Work
When a chemical reaction occurs, commonly the only work done is a change in volume
of a gas pushing on the surroundings (or being pushed on by the
6. The PES spectrum for element X is shown below.
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E {Mjg’mol}
a. What is the group number of this element?
b. What is the maximum posit
Unit 1 Lecture 1: In Class Practice
. ., ,r , ,.
The yellow light given off by a sodium vapor lamp used for public lighting has a wavelength of 589 am.
What is the freguency of this radiation? \ 7‘
-6
,7 Name KL
Period: 1/2 3 4 5/6
(“1.
' "'1. List the common kinds of radiation in the electromagnetic spectrum in order of increasing energy:
Radio < Min/0mm“ “24 visiblc Mgr/1+4 W4 X'myj gamma
[so