ByJonnniii
Hey,
Couldn't there also be a neutron, a protron and an electron here?
because the charge would then remain the same and the mass number would be 2 higher.
Or would that no longer be iron but another element?
(1 votes)
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What is a natural polymer?
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Correctly recognized. The element is determined by the number of protons, the mass number by neutrons + protons.