Question

During the combination of copper sulfate solution and zinc metal, 5 atoms of sulfate and 1 atom of copper interact with 1 atom of zinc, resulting in new products after the reaction. How many atoms are there before and after the reaction? Choose the letter of the correct answer.

A
before: 7 atoms; after: 5 atoms

B
before: 7 atoms; after: 6 atoms

C
before: 7 atoms; after: 0 atoms

D
before: 7 atoms; after: 7 atoms

Answer 1

I think it’s B because it answered the question