Chemistry notes for 1st exam

Chemistry notes for 1st exam - Atoms and Molecule Things we...

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electron neutron proton Atoms and Molecule Things we are made of How chemists (and all scientists) think about matter Based on experimental observation Atoms Discussion of the historical experiments that outline the discovery of the fundamental particles is included in the book. These experiments will not be included in the book. These experiments will not be covered on the hourly exams, but are included on the final exam. <<not correct! Must draw electrons in a CLOUD around the nucleus\ Dalton’s Atomic Theory (changed everything) 1. All atoms have identical properties 2. Atoms can not be created or destroyed 3. Compounds form when two different elements combine 4. When compounds form the relative numbers and kinds of atoms are constant Although these were radical at his time and changed the way we thought about Chemistry at the time most have been proven false now:
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1. Not true because of anions, cations, and isotopes 2. Under normal circumstances this is true, however, because of nuclear reactions this is false 4. H 2
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Chemistry notes for 1st exam - Atoms and Molecule Things we...

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