Contando átomos
Authored by Júlia Higashi
Chemistry
10th Grade
Used 14+ times
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14 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Na fórmula química Fe2O3, o número de átomos de Fe é:
2.
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1 min • 1 pt
Na fórmula química Fe2O3, o número de átomos de O é:
3.
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1 min • 1 pt
Quantos átomos de Fe existem na indicação 2 Fe2O3:
4.
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1 min • 1 pt
Quantos átomos de O existem na indicação 2 Fe2O3:
5.
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1 min • 1 pt
Na fórmula química (NH4)2SO4, o número de átomos de N é:
6.
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1 min • 1 pt
Na fórmula química (NH4)2SO4, o número de átomos de H é:
7.
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1 min • 1 pt
Na fórmula química (NH4)2SO4, o número de átomos de S é:
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