what is atomic number? Explain. (4mark answer )
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hey mate!
The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom. It is identical to the charge number of the nucleus. The atomic number uniquely identifies a chemical element. In an uncharged atom, the atomic number is also equal to the number of electrons.
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Atomic number is the the number of protons that a chemical element has in its centre (nucleus)....
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