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Magnesium and Calcium are?

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(a) Alkali metals

(b) Halogens

(c) Alkali earth metals

(d) Noble gases

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  1. alkali earth (2+)


  2. elements, look at the "Mendelejeff chart"

  3. (c) Alkali earth metals

  4. Magnesium is usually referred to as a "macromineral," which means that our food must provide us with hundreds of milligrams of magnesium every day. (The other macrominerals that all humans must get from food are calcium, phosphorus, sodium:nutrient, potassium, and chloride).
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