2. When a chemical reaction occurs, we often get a combination of two or more elements called a___.
These are
found in units called___.

a combination of two or more elements called a compound

a small container that holds a source of energy a solar cell that captures light energy and converts it into electricity a voltaic cell that uses the oxidation of a fuel to produce electricity

explanation:

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be