WCR W7

2.3  Name ionic compounds from their formulas using -ide, -ite and -ate endings.

2.4  Define salt as a compound forming between a positive metal ion and a negative ion (non-metal or polyatomic).

IQ4.  How do we represent substances reacting?

4.1  Describe the components of a chemical equation, including reactants, products and the meaning of the arrow.

4.2  Use the Law of Conservation of Mass - that atoms are rearranged in chemical reactions, not created nor destroyed – to explain the need to balance a chemical equation.

4.3  Insert coefficients to balance a given chemical symbol equation.

4.3B   *Extension: Write balanced chemical equations from word equations and experimental observations.