153k views
21 votes
12. A portion of the periodic table is shown.

Li || Be
Lithium and Beryllium
Na Mg
Magnesium and Sodium
Which pair of elements would have the same number of valence electrons?
Lithium and Sodium
Magnesium and Lithium
CLEAR ALL

User Adewale
by
3.9k points

1 Answer

6 votes

Answer:

A

Step-by-step explanation:

because they both belong to the same group and both have one electron in there outermost shell..