Magnesium has twelve electrons. It is in the 3rd period.
The alkaline earth metals are those in the same group as calcium; they have two valence electrons.
alkaline earth metals such as Be, Mg, Ca, Sr, Ba, Ra
Alkaline earth metals are group 2 elements and have 2 valence electrons.
The alkaline earth metals are those in the same group as calcium; they have two valence electrons.
Alkaline earth metals are in the second group. Be is the first metal of them.
Alkaline Earth metals :)
The alkaline earth group has two valence electrons.
Group 2 elements in the periodic table are the alkaline earth metals.
Alkaline Earth metals :)
Because they have two valence electrons.
alkaline earth metals
Beryllium is a member of group 2, an Alkaline Earth Metal.