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Biology, 20.07.2019 22:50 yoboik12

1. a vertical column of elements in the periodic table 2. 1/12 the mass of a carbon-12 atom 3. a horizontal row of the periodic table 4. dalton's atomic theory included the idea that the atoms of different elements can chemically combine in ratios

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1. a vertical column of elements in the periodic table 2. 1/12 the mass of a carbon-12 atom 3. a hor...
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