Strand 1: Nature of Matter
Free Leaving Cert Chemistry notes for Strand 1: Nature of Matter. Browse 4 topics and read online without an account.
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1.1. MatterSub-strand 1.1 Matter introduces the particulate model of chemistry for Leaving Certificate Higher Level.1.2. Atomic structureOur picture of the atom evolved over time as new experimental evidence emerged.1.3. The periodic tableIn 1869, Dmitri Mendeleev arranged the known elements in order of increasing atomic weight (relative atomic mass), placing elements with similar chemical…1.4. Quantifying matterAround 1774, Antoine Lavoisier heated tin in sealed glass vessels.