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What the relationship between the proton number and the element 1 dentity

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The number of protons in the nucleus of an atom is labeled Z.
Atoms with the same Z (istotopes) have the same chemical properties. So you cannot differentiate between them on the basis of their chemical properties because they all react the same way. From a chemical point of view they are the same element. They all receive the same chemical symbol. Knowing the Z number of an atom is equivalent to knowing the chemical element. One Z, one symbol. In short, if you know Z, you know the chemical identity of the element.

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Posted on Oct 01, 2009


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