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Unformatted text preview: the atom Mass # - NUMBER reflects a change in the number of neutrons in the nucleus 4) atomic # 5) Same atomic #; Different mass # (diff # of neutrons) 6) mixture - can be separated by its physical properties (ie: density - oil and water) compound - can be decomposed by chemical reactions (ie: 2H2) --> 2H2 + O2) element - can be broken down into simpler substances, It contains only one type of atom 7) continuous spectrum sharp lines 8) Each element has a distinctive line spectrum...
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This test prep was uploaded on 04/18/2008 for the course MAP 133 taught by Professor Jordan during the Fall '07 term at NYU.
- Fall '07