How does a barium atom become a barium ion with a #2^+# charge?
See explanation below.
When an atom loses one or more electrons, it is said to be oxidized; when an atom gains one or more electrons from another, it is said to be reduced.
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By losing two electrons from its outermost shell, a barium atom becomes a barium ion with a 2+ charge, meaning that it now has more protons than electrons and a net positive charge of 2+.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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