객관식
Is a charge indicated on neutral atoms? If yes, which of the following statements is correct?
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2. Atoms & Elements
Ions
객관식
What is the charge on the hydronium ion (H_3O^+)?
A
1-
B
0
C
2+
D
1+
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검증된 단계별 안내1
Recall that the hydronium ion is represented as \(\mathrm{H_3O^+}\), which means it is a water molecule (\(\mathrm{H_2O}\)) with an extra proton (\(\mathrm{H^+}\)) attached.
Understand that a neutral water molecule has no net charge, so its charge is 0.
When an extra proton (\(\mathrm{H^+}\)) is added to water, it contributes a positive charge of +1 because a proton carries a +1 charge.
Therefore, the hydronium ion (\(\mathrm{H_3O^+}\)) has a net charge equal to the charge of the added proton, which is +1.
Conclude that the charge on the hydronium ion is \(1+\), corresponding to the notation \(\mathrm{H_3O^+}\).
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