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Stoichiometry Stoichiometry MCQS #Atomic Mass Comparison

1

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Elements A and B have atomic masses 10 u and 20 u. Which statement must be true?

Verified Answer & Explanation⌄

Correct Answer: C) One atom of B is twice as heavy as one atom of A.

Concept Explanation

Atomic mass directly compares the mass of individual atoms; 20 u is twice 10 u, so one B atom is twice as heavy as one A atom.

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