Question: how many valence electrons are in sr2+?
Answer: Strontium belongs to group two elements on the periodic table, with an atomic number of 38; it is part of the alkaline earth metals. The electronic configuration of Strontium is 2, 8, 18, 8, 2. It has 2 atoms in its 5s shell and the remaining 36 are considered internal. This shows that it has two valence electrons.