Which pair of elements have the same number of valence electrons?
A.Li and Na
B.Mg and K
C.Ti and Nb
D.Rb and Zr

Respuesta :

Answer:

A. Li and Na

Explanation:

Had to deal with the same question last year. glad i kept the Peridodic table lol hope it helps :)

Answer:

A. Li and Na

Explanation: