explain the isotopes with sutible example .if z=11 for element Aand Z =12 for element B then what would be the valency of the element ? Name the element Aand B
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element A is sodium having Z=11 and valency= +1,,due to losing of outermost shell e....
similarly ,,element B is magnesium having z=12and valency =+2, due to losing of 2e in outermost shell
similarly ,,element B is magnesium having z=12and valency =+2, due to losing of 2e in outermost shell
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