Chemistry

We will start with some lessons on atoms and the elements in the Periodic Table.

An Introduction to Atoms, Protons, Neutrons and Electrons (Includes video)

Periodic Table of Elements (Includes video)

Group 1: The Alkali Metals (Includes video)

Group 7: The Halogens (Includes video)

Group 0: The Noble Gasses (Includes video)

Transition Metals (Includes video)

In the following 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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