Detailed Instructions: Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
Problem:Question: Beryllium, magnesium, calcium, strontium, and barium are classified as what type of metals? Answer: alkaline earth metals
Solution:
The alkaline earth metals include beryllium, magnesium, calcium, strontium, and barium. Strontium and barium react with air and must be stored in oil.