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H2SO4 contains how many elements and atoms per molecule?

A7 elements, 3 atoms
B4 elements, 7 atoms
C3 elements, 7 atoms
D3 elements, 4 atoms
Answer & Solution
Correct answer: C. 3 elements, 7 atoms
Hydrogen, sulfur and oxygen are three elements, and their atom counts add to 2+1+4=7.
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