How many valence electrons do group two have? Chemistry The Periodic Table Valence Electrons 1 Answer anor277 Nov 27, 2016 The #"alkaline earth metals"# have 2 valence electrons. Explanation: The #"alkaline earth metals"# come from Group 2 of the Periodic Table. And since the Periodic Table reflects electronic structure, #Be, Mg, Ca, Sr, Ba# all have 2 valence electrons, and all commonly form #M^(2+)# ions. Answer link Related questions How do valence electrons affect chemical bonding? How do valence electrons determine chemical properties? How do valence electrons determine chemical reactivity? How many valence electrons are in a silicon atom? How many valence electrons are in an atom of chlorine? How many valence electrons are in an atom of magnesium? How many valence electrons are in an atom of phosphorus? How many valence electrons are in an atom of bromine? How many valence electrons are in carbon? Why are valence electrons responsible for the behavior of the atom? See all questions in Valence Electrons Impact of this question 13347 views around the world You can reuse this answer Creative Commons License