What ion of barium is most stable?

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What ion of barium is most stable?

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Answer 1 · 2017-01-07T08:21:10

Barium has 2 valence electrons, so.........

Explanation:

So upon oxidation it commonly forms a ${Ba}^{2 +}$ $"Ba"^(2+)$ ion:

$Ba \to {Ba}^{2 +} + 2 e^{-}$ $"Ba" rarr "Ba"^(2+) + 2"e"^-$

So how do you know this? Well, you will always have access to a Periodic Table, and the $Group Number$ $"Group Number"$ , the vertical column in which the metal lies is $Group 2$ $"Group 2"$ . The $2$ $"2"$ tells me there are 2 valence electrons, whose loss gives the ${Ba}^{2 +}$ $"Ba"^(2+)$ ion.

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What ion of barium is most stable?

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