Chemical Reactions

Explore how substances transform during chemical reactions, involving changes in bonds, energy, and properties.

The Combination and Decomposition Reactions

Explore how substances combine to form compounds or break down into simpler substances, including common patterns and energy changes.

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The Single and Double Displacement reactions

Understand how atoms and ions are exchanged in reactions, with focus on reactivity trends and solubility rules.

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Chemical Properties of Main Group Metals

Examine the reactivity and trends of alkali and alkaline earth metals, including their reactions with water, oxygen, and acids.

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Chemical Properties of Nonmetals

Investigate the behavior of nonmetals in chemical reactions, including trends in electronegativity and common compound formation.

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Chemical Properties of Transition Metals

Learn about the variable oxidation states, complex ion formation, and characteristic colors of transition metal compounds.

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Ready to take IJSO-style chemical reactions practice questions?

Apply your knowledge with our collection of IJSO-style chemical reactions problems.

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Ready to take IJSO-style stoichiometry and chemical reactions mock tests?

Challenge yourself with our collection of IJSO-style mock tests in stoichiometry and chemical reactions, designed to test your problem-solving skills and understanding.

View Stoichiometry and Chemical Reactions Mock Tests