If an element has an atomic number of 12, how many electrons are in its its outermost shell?
1 Answer
Jul 25, 2017
2 Electrons
Explanation:
Shells
K can only contain
while L, M N can only contain
The atomic number of 12 is Magnesium has the following number of electrons in their respective shell
Where 2 is the electron in the outermost shell..