elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth…

elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?\n○ how many protons and neutrons they have\n○ which chemical properties they have\n○ how many total electrons they have\n○ which period they are most often found in
Answer
Answer:
which chemical properties they have
Brief Explanation:
Elements in the same group of the periodic table have similar chemical properties due to the same number of valence electrons. Alkaline - earth metals in group 2 have 2 valence electrons, giving them similar chemical behavior.