How can you describe the location of magnesium (mg, atomic number 12) on the periodic table.(a) nonmetal(b) metalloid(c) group 2, period 3(d) group 3, period 2

Ineed this awnser fast select the correct answer. this chemical equation represents the burning of methane, but the equation is incomplete. what is the missing coefficient in both the reactants and the products? ch4 + → co2 + a. 0 b. 1c. 2d. 3 e. 4