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Chemical Reactions
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Module 1
Chemical Reactions: Year 9 Essentials
1
Interpreting Chemical Formulas: Elements and Atom Counts
Interpret a simple chemical formula by identifying each element and counting its atoms.
Interpret a simple chemical formula by identifying each element and counting its atoms.
2
Classifying Physical and Chemical Changes
Classify a described change as physical or chemical using evidence from observations.
Classify a described change as physical or chemical using evidence from observations.
3
Writing Word Equations for Chemical Reactions
Write a word equation for a simple chemical reaction, placing the reactants and products correctly.
Write a word equation for a simple chemical reaction, placing the reactants and products correctly.
4
Balancing Chemical Equations Using Coefficients
Balance a simple chemical equation by changing coefficients without altering chemical formulae.
Balance a simple chemical equation by changing coefficients without altering chemical formulae.
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