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How many oxygen atoms are required to form $2$ water molecules ($\text{H}_2\text{O}$)?

Answer and explanation

Correct answer: $2$

Each molecule of water, $\text{H}_2\text{O}$, contains exactly $1$ oxygen atom. For $2$ water molecules, the number of oxygen atoms required is $2\times 1=2$.

Related tags

ScienceClass 10Chemical Substances – Nature And BehaviourChemical Reactions And EquationsStoichiometryAtoms In MoleculesExpert

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