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List the 5 main points of Dalton’s atomic theory:
1.
2.
3.
4.
5.
Answers: 1
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Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
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Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
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List the 5 main points of Dalton’s atomic theory:
1.
2.
3.
4.
5....
1.
2.
3.
4.
5....
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