Home ยป Which of the given elements A,B,C,D and E with atomic numbers 2,3,7,10 and 30 belong to the same period? Periodic Table MCQs Which of the given elements A,B,C,D and E with atomic numbers 2,3,7,10 and 30 belong to the same period? April 16, 2022 33 Views Q. Which of the given elements A,B,C,D and E with atomic numbers 2,3,7,10 and 30 belong to the same period? A. A,B,C B. B,C,D C. A,D,E D. B,D,E Answer: B,C,D