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Atoms and Molecules — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
Question
Write the atomicity of the following: $\mathrm{Na}_2 \mathrm{SO}_4$
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Answer

The Atomicity of $\mathrm{Na}_2 \mathrm{SO}_4$ is $7$.

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