explain the reason why Sr belongs to same IIA group as Mg and Ca.?

explain the reason why Sr belongs to same IIA group as Mg and Ca.

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  • 1 decade ago
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    Depending on the naming system group 2 or IIA elements are the second collumn of the periodic table. There are 18 groups, 3-12 comprise the transition metals. Group 1 are the alkali metals and IIA or 2 is the alkali earth metals. The horizontal rows are the periods, so Magnesium calcium and strontium belnog to the same group but different periods. Each group share simlar characteristics based on their chemical properties; most notably they all have two valence electrons in their outermost shells.

    Source(s): BS in chemistry, University of New Orleans
  • Anonymous
    1 decade ago

    strotium belongs to the same group

    becauuse they have the same properties they

    are metals alkaline

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