Which of the following is the most abundant alkaline earth metal in the Earth's

Which of the following is the most abundant alkaline earth metal in the Earth's crust? (2019)

Which of the following is the most abundant alkaline earth metal in the Earth's crust? (2019)

Step 1: Understand what alkaline earth metals are. They are a group of elements in the periodic table that includes beryllium, magnesium, calcium, strontium, barium, and radium.
Step 2: Identify the most abundant alkaline earth metal in the Earth's crust. This means we need to know which of these metals is found the most in the Earth's surface.
Step 3: Research or recall that calcium (Ca) is known to be the most abundant alkaline earth metal in the Earth's crust.
Step 4: Conclude that the answer to the question is calcium (Ca).

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