Multiple choice

Which of the following alkaline earth metals has the lowest relative abundance in the earth’s crust?

  1. Be

  2. Mg

  3. Ca

  4. Sr

  5. Ba

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ca has 5% relative abundance among the alkaline earth metals. Hence, Ca has the lowest relative abundance among the alkaline earth metals in the earth’s crust.