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3 August, 01:49

Which of these elements is an alkaline earth metal? A. potassium (K) B. calcium (Ca) C. chromium (Cr) D. gallium (Ga)

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Answers (2)
  1. 3 August, 02:17
    0
    C. Calcium (Ca)

    Explanation:

    Hello,

    In this case, alkaline earth metals are known by their capacity to form basic solutions when reacted with water as well as alkalies. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) and radium (Ra) and they have the capacity to react quickly by forming ions by giving electrons. In such a way, the correct option is C. Calcium (Ca).

    Best regards.
  2. 3 August, 04:09
    0
    Hey there!

    Your answer is:

    B) Calcium (Ca)
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