Contando átomos

Contando átomos

10th Grade

14 Qs

quiz-placeholder

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Contando átomos

Contando átomos

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

Júlia Higashi

Used 14+ times

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14 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Na fórmula química Fe2O3, o número de átomos de Fe é:

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Na fórmula química Fe2O3, o número de átomos de O é:

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Quantos átomos de Fe existem na indicação 2 Fe2O3:

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Quantos átomos de O existem na indicação 2 Fe2O3:

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Na fórmula química (NH4)2SO4, o número de átomos de N é:

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Na fórmula química (NH4)2SO4, o número de átomos de H é:

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Na fórmula química (NH4)2SO4, o número de átomos de S é:

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