Criado por tania de andrade
mais de 8 anos atrás
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Questão | Responda |
Chemical change/ reaction | A change that forms a new chemical. |
Hydrocarbon | A compound of hydrogen and carbon only. Ethane, C2H6, is a hydrocarbon. |
Atom | The smallest particle of an element. The atoms of each element are the same as each other but different from the atoms of other elements. |
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