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Why is calcium in group 2A if the modern periodic table

Why is calcium in group 2A if the modern periodic table
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Why is calcium in group 2A if the modern periodic table

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User Achraf JEDAY
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1 Answer

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Calcium is in group 2A because it has two valence electrons and an oxidation state of 2+. Hope this is accurate & helpful! Enjoy your evening.
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User Viplezer
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