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16-12-2021
Chemistry

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Which of the following is a polyatomic ion?
a. Sulfide (S2)
b. Sulfate (SO42-)
Nitride (N3-)
d. Cobalt (Co2+)

Respuesta :

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16-12-2021

B. sulfate (SO42-)

Explanation:

Ver imagen ij775d5hxy

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