Home » A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide? Periodic Table MCQs A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide? April 14, 2022 9 Views Q. A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide? A. MO B. M2O C. M2O3 D. MO2 Answer: M2O