How do you balance chemical equations?

using the numbers

                                                     4 Easy steps

1. Write the Unbalanced Chemical Equation

2. Write Down Number of Atoms

3. Add Coefficients To Balance Mass in a Chemical Equation

4. Balance Oxygen and Hydrogen Atoms Last

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

the answer is na (sodium)