4n74xn4ixr 4n74xn4ixr

26-10-2020
Chemistry

contestada

What 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 :

memory11 memory11

26-10-2020

The ans is A.

You need to refer back to the periodic table n find the 2 the is under the same grp.

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juanmedne juanmedne

14-09-2021

Answer: its A

Explanation:

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