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Cassius Ho
Chemistry
3 January, 16:46
What is the valency of barium?
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Aydin
3 January, 17:01
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Explanation:
Barium has 2e-s in its outer shell, with atomic no. of 56. Hence the valance of Ba is 2 forming the highly reactive Ba2+. Ba being highly reactive is never found in free stae in nature.
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