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Flashcards do conjunto (7)
- 1what are the names of the 4 scientist that introduced more evidence of atomsdemocritus, john dolton, joseph thompson, ernest rutherford and niel bohr
- 2what is a mixture?two ore more atom or molecule mixed together but not chemically bonded to each other
- 3what is a compound?a molecule that is made up of atoms of 2 or more different kinds of elements
- 4what is a molecule?a molecule is two or more atoms joined together through attractive forces known as bonds.can be the same or different
- 5what is an element?an element is made up of 1 type of atom
- 6what is an atoman atom is the smallest amount of a substance that we can retain that will still hold all the features of that substance
- 7h201=hydrogen
2=oxygen
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- FlashCards sobre Sem título, criado por tcarr. em 05-05-2014.
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- tcarr.
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