Identify the following elements based on their chemical symbols: C

H

O

C:Carbon

H:Hydrogen

O:Oxygen

Explanation:Every element is represented by a letter that is easy to tell which element it is so you don't have to get confused.

indium, and thallium have three electrons i think

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