Sub-atomic particles

Features of sub-atomic particles

 chemistry  gcse

ProtonElectronNeutron
Positionnucleusshellnucleus
Mass10 (negligible)1
Charge+1-10
CountThe number is the atomic number. A different number would make the atom a different element.Equals the atomic number. Counts higher or lower than the atomic number define the ion charge.Changes in the count define different isotopes of the element and changes its atomic mass.
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