Chemistry

In these lessons, we will look into some important skills of chemistry that involve mathematics:

Deducing chemical formulas (Includes video)

• Determining valency of elements
• Methods to deduce chemical formulas

Naming chemical substances (Includes video)

• Naming ionic compounds
• Naming covalent compounds

Balancing chemical equations

• Interpret a chemical formula - counting the atoms
• General rules for balancing equations
• Rule 1: Balancing chemical equations using the one’s and two’s technique (Includes video)
• Rule 2: Balancing chemical equations using the two’s and three’s technique (Includes video)
• Rule 3: Balancing chemical equations using the CHO technique (Includes video)
• Rule 4: Balancing chemical equations using the even technique
• Rule 5: Balancing chemical equations containing polyatomic ions (Includes video)

Writing a balanced equation

• Writing a balanced chemical equation
• Writing a balanced ionic equation (Includes video)

What is atomic number and mass number? (Includes video)

Isotopes and Relative Atomic Mass (Includes video)

Relative Molecular Mass / Relative Formula Mass (Includes video)

Mole, Avogadro Constant & Molar Mass (Includes video)

Mole Calculation - Moles to Mass, Mass to Moles (Includes video)

Molar Volume, Avogadro's Law (Includes video)

Stoichiometry - Calculations from Equations (Includes video)

Percent Yield & Percent Purity (Includes video)

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