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1. Ferrous metal 2. Non-Ferrous metal 3. Alloys

Q: What are the three main categories of metal?

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1. Ferrous metal 2. Non-Ferrous metal 3. Alloys

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The chemical formula of ferrous phosphate is Fe3(PO4)2.

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Ferrous is a derivative of the latin word Ferrum, for Iron. Which is why iron on the periodic table is Fe. Ferrous is iron in a +2 state, and feric is iron in a +3 State. Ferrous sulfate is just FeSO4

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The Ferrous ion has a '2+' charge.

Hence the formula for ferrous sulphate is FeSO4.

NB The Ferric ion has a '3+' charge.

Hence the formula for ferric sulphate is Fe2(SO4)3

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Te chemical formula of the ferrous nitrate is Fe(NO3)2.

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