Q: Beryllium, magnesium, calcium, strontium, and barium are classified as what type of metals?


Read this paragraph and choose the correct option from the provided answers:

The alkaline earth metals include beryllium, magnesium, calcium, strontium, and barium. Strontium and barium react with air and must be stored in oil.

 Choices:

- alkaline aligned metals

- acid earth metals

- alkaline support metals

- alkaline earth metals


A:
alkaline earth metals