Empirical vs. molecular formula

The Mole - Avogadro's number

The mole and avogadro's number: Introduction to the idea of a mole as a number (vs. an animal).

video - determining empirical formula

Avogadro's hypothesis and Molar volume

To read about Avogadro's hypothesis with regard to molar volume click here

Use this to practice conversions between moles and mass

Molar mass Calculations

If you would like further reading about how to calculate Molar mass click here

How to calculate molar mass

Avogadro's number

To read about the mole and Avogadro's number click here

video - naming ionic compounds

Atoms, Molecules and Ions

To view the slide show from Friday 13th on Atoms, Molecules and Ions

elements and atoms

Elements and Atoms: How elements relate to atoms. The basics of how protons, electrons and neutrons make up an atom.

Chemical Separation Techniques

This slide show goes through the techniques we went through in class plus few others including magnetic attraction and sublimation.

Separation Techniques from missing island

Significant Figures

For a clear explanation of how to determine number of significant figures read this section

Scientific Notation Practice

to practice writing in Scientific Notation try this quiz

Unit Conversions

Unit Conversions

Dimensional Analysis - reading and practice

to read about and then practice questions using dimensional analysis click here

Dimensional Analysis - video