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isotope of Cl= 17
Cl = 2,8,7
but Cl- = 2,8,8 ( Cl accept one electron)
O= 2,8,6
but O2- =2,8,8 ( 2- means oxygen accepted 2 electron)
Mg = 2,8,2
but Mg2+ =2,8 (2+ means Mg donate 2 ,electron)
Na = 2,8,1 (Na =12)
but Na1+ = 2,8 ( Na donate 1 electron
isotope of Cl= 17
Cl = 2,8,7
but Cl- = 2,8,8 ( Cl accept one electron)
O= 2,8,6
but O2- =2,8,8 ( 2- means oxygen accepted 2 electron)
Mg = 2,8,2
but Mg2+ =2,8 (2+ means Mg donate 2 ,electron)
Na = 2,8,1 (Na =12)
but Na1+ = 2,8 ( Na donate 1 electron
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