Chemistry
Chemistry explains the material world: the atoms everything is built from, how they bond into molecules, and why substances transform in reactions. You'll move from particles you can't see to predictions you can test.
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07Grade 73 chapters · Sorting Materials · Solids and Liquids · MixturesChoose →08Grade 82 chapters · Particles · Atomic StructureChoose →09Grade 92 chapters · The Periodic Table · Acids and AlkalisChoose →10Grade 102 chapters · Chemical Bonding · Chemical ChangesChoose →11Grade 112 chapters · Quantitative Chemistry · Physical ChemistryChoose →12Grade 122 chapters · Organic Chemistry · Analytical TechniquesChoose →