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A hydrogen ion, the symbol what, and a what are all names or symbols for the same thing?

a) H+
b) He-
c) O2+
d) Na-

1 Answer

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Final answer:

A hydrogen ion, the symbol H+, and a hydronium ion (H3O+) are all names or symbols for the same thing in chemistry.

Step-by-step explanation:

The symbol for a hydrogen ion is H+. It is essentially a hydrogen atom that has lost its lone electron, leaving behind a single proton. In aqueous solutions, hydrogen ions tend to attach themselves to water molecules, resulting in the formation of the hydronium ion, represented as H3O+. So, H+, H3O+, and a hydrogen ion all refer to the same thing.

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