APHY 101 - Chemistry-1.docx - Chemistry Matter and Energy...

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ChemistryMatter and EnergyMatter definition:states of matter:l . solid:2.liquid:3.gas:Energydefinition:Forms of Energyl . potential energy:2. kinetic energy:Types of Energyl . chemical:2.electrical:3.mechanical:4.radiant (electromagnetic):Law of Conservation of Energy9Composition of Matter
10ChemistryElementsMajor Elements of the Human Body:l .2.3.4,AtomsPeriodic Tabledefinition:Atomic Symbolfirst letter: capitalize O = oxygensecond letter: lower caseNa = sodiumLatin used to avoid repetition sodium vs. sulphur Compositionof Atomsl . subatomic particles:protons (p+):neutrons (no):electrons (e-):2. location of subatomic particles:a.nucleus:b.electron field:Identifying Atomic ElementsEach element has a unique number of p+, no, e- : oxygen =8 p+, 8 e-, 8 nocarbon = 6 p+, 6 e-, 6 no
11I . atomic number: number of in the nucleusExamples: Atomic number of oxygen = 8Atomic number of carbon = 62.mass number: total number of p* and noin the nucleusExamples: mass number of oxygen: 8 +8 = 16mass number of carbon: 6 +6 = 123.

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Term
Fall
Professor
TBD
Tags
Chemistry, Atom, Energy, Chemical reaction, Chemical element, Law of Conservation of Energy

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