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What are atoms that gain electrons and have a negative charge?

Answer 1

#"Oxidizing agents.............."#

Both fluorine and oxygen are good oxidizers and have a tendency to pick up electrons.

#1/2F_2 + e^(-) rarr F^-#

#1/2O_2 + 2e^(-) rarr O^(2-)#

Both of these species have a large (unshielded) nuclear charge, which accounts for their propensity to oxidize, since they lie to the right of the Period as we face the Table.

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Answer 2

Luna Chen

Atoms that gain electrons and have a negative charge are called anions.

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Answer from HIX Tutor

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.