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Is Cr3P2 chromium II or III?

Updated: 8/11/2023
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Wiki User

11y ago

Best Answer

it is a chromium 2

as a good point of reference, and if you don't know the specific charge of an atom, check the ion to which it is bound:

the phosphide ion is most commonly charged as a 3- ion because its period is has 3 electrons more than it needs to form a complete octet

2 phosphide ions (per your empirical formula) would have a total ionic charge of 6-

if you distribute the (6-) charge evenly through the 3 chromium ions in your empirical formula, then each chromium ion would have to have a charge of 2+ in order for the ionic salt to be neutrally charged.

therefore the chromium is chromium (II)

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13y ago
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12y ago

CrO has chromium in the 2+ oxidation state. Remember that oxygen is nearly always in the 2- oxidation state, and that must be balanced out in a compound.

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13y ago

It is Chromium III (3)

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13y ago

It is a chromium II

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13y ago

Cr2S3 is a chromium 3

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14y ago

Chromium II

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Wiki User

11y ago

II

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Q: Is Cr3P2 chromium II or III?
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