Unit 1 Major Topics

Atoms, Ions, and Isotopes

• Be able to understand the difference between them.

Electron Configuration

• Be able to write normal electron configurations and noble gas electron configurations.

• Be able to write electron configurations for ions and watch out for the special cases.

• Be able to identify isoelectronic substances.

Coulomb's Law

• Be able to explain Coulomb's Law.

Photoelectron Spectroscopy

• What do they show?

• Be able to interpret a PES graph.

• Be able to draw a PES graph.

Mass Spectroscopy

• What do they show?

• Be able to interpret a Mass Spec graph.

• Be able to draw a Mass Spec graph.

• Be able to calculate the mass of an element from a Mass Spec graph.

Frequency, Wavelength, and Energy

• Know how to use the formulas

• Be sure to check out the units used in each formula.

Trends

• Atomic Radius

• Ionic Radius

• Electronegativity

• Ionization Energy and Exceptions to the Trend