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Most of the time, but not always. We often see the common Ca2+ or Al3+ being metals but there are non-metal ones like H+ or H3O+

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12y ago
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15y ago

I'm pretty sure that Hydrogen is the cation that is ot a metal ion

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12y ago

Cations are positively charged ions. Anions are negatively charged ions. All metals will form cations. Nonmetals will form anions, except for the noble gases, which are not reactive.

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11y ago

The polyatomic ion NH4+ is not a metal ion.

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11y ago

Gases and metals are not metalloids.

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12y ago

hghjbkl.

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Q: Which of the following elements are not cations?
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