. Which pair of atomic numbers represents elements in the same group?
(A) 11, 19
(B) 6, 12
(C) 4, 16
(D) 8, 17
Best Answer
(A)
Na(11) and K(19) are belongs to same group
Related questions
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(A) 11, 19
(B) 6, 12
(C) 4, 16
(D) 8, 17
(A)
Na(11) and K(19) are belongs to same group