Question

4).Among the elements 2He⁴ 7N¹⁴ 12 Mg²⁴ and 4Be⁸ the elements which belong to the same period in the modern periodic table are.
(A)2 He⁴and 4Be⁸
(B)7N¹⁴andBe8
IC)12 Mg²⁴ and2He⁴
(D)4 Beand¹² Mg ²⁴​

Answer 1

Answer:

Be And N belong to same period