Final Study Guide PDF
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Summary
This document is a study guide for chemistry, focusing on atomic models, and the periodic table. It provides information on different atomic models and chemical principles, including the fundamental building blocks of matter and reactions.
Full Transcript
# Final Study Guide ## Chem ### Matter & Periodic Table - Models of the atom: (Dalton, Thompson, Rutherford, Bohr) - Dalton came up with atomic theory - All matter made up of small particles, atoms - Atoms can't be created, destroyed, or divided into smaller - Atoms of d...
# Final Study Guide ## Chem ### Matter & Periodic Table - Models of the atom: (Dalton, Thompson, Rutherford, Bohr) - Dalton came up with atomic theory - All matter made up of small particles, atoms - Atoms can't be created, destroyed, or divided into smaller - Atoms of different elements have different mass/size - Compounds formed when atoms of different elements are combined - Chemical reactions change the way atoms are grouped, DO NOT change atoms themselves - Thompson thought atoms consisted of - charges embedded in a sphere of positive charge - The "Raisin Bun Model": - charges - electrons - Rutherford - Based on gold foil experiment - Dense + Nucleus in center, had particles called protons, 1 single positive charge - Electrons smaller than protons and orbit nucleus, particles single - charge are electrons - Empty space in which electrons exist - Neutrons - Same mass as protons, no charge - Bohr - described energy levels of electrons: electrons only exist in energy levels, not between. Maximum number of electrons on each level - 2, 8, 8, 18, 18
