Can someone figure these out for me. Make sure to calculate the total number of atoms making up the chemical formula.

Element before carbon on the periodic table

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients