What is a molecular formula? A. The chemical formula that reveals what the smallest unit of the compound contains

B. The chemical formula that shows how the different elements are connected

C. The chemical formula that shows the three-dimensional shape of the molecule

D. The chemical formula that shows how the compound exists in nature

The answer of this question is A

a non redox reaction occurs when there is not a transfer of electrons. for redox reactions, which are reduction-oxidation reactions, a change in the oxidation number occurs. elements that are reduced gain electrons, and elements that are oxidized lose electrons.

explanation:

it's filtration, but this is an assumption so my apologies if i got this