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Chemie
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Atom, molekula, prvek, sloučenina
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Age 13-16
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level: 8
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Czech
Author's Instructions
rozlišení atomu a molekuly, prvku a sloučeniny
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Chemie
-
Atom, molekula, prvek, sloučenina
-
Age 13-16
-
level: 8
-
Czech
Author's Instructions
rozlišení atomu a molekuly, prvku a sloučeniny