CHEM 120: Introduction to Inorganic Chemistry

Chapters Covered and Test dates

Chapter 3: Elements, atoms, ions, and the periodic table

3.1 The periodic law and the periodic table

Early periodic tables

Modern periodic table

"______:"

"_______: (families)"

"We give some groups some..."

Metals and nonmetals

"Metalloids have some characteristics of..."

"Some elements are gases at..."

More info from periodic table

"Question 3.2 plus a..."

"For each of the elements..."

 Electron arrangement and the periodic table

Quantum mechanical atom

"Schrödinger combined wave and particle..."

"A wave function"

Principal energy levels (shells)

"Larger the value of n"

"n = 1"

No. of electrons in a principal energy level

Sublevels

"So for n = 1..."

Orbitals

"The s sublevel is made..."

"The d sublevel is made..."

Slide 29

Slide 30

Slide 31

Electron spin

What to do with all this info?

"4."

Slide 35

How to remember the energy order

"Let’s do some electron configurations"

Abbreviated electron configuration

Valence electrons

"Don’t worry about inner core..."

Valence electron configuration for A groups

Where do you get the numerical value for the n for the valence electrons?

"Valence electron configuration for:"

The octet rule

"Group IA"

"Group IA"

Transition metal cations

"H^-"

What’s the ion formed by

Slide 50

Isoelectronic

Question

"Which of the following groups..."

3.4: Trends in the periodic table

Size across a period

Slide 56

"Group"

Slide 58

"Arrange each of the lists..."

Ion size

"Which is smaller?"

Slide 62

"Note for isoelctronic series:"

Ionization energy

Trends in ionization energy

Slide 66

Slide 67

Arrange in order of increasing I.E.

Electron affinity

Trends in  electron affinities

Slide 71