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Na+ কারণ এর বাইরের কক্ষের ইলেকট্রন সংখ্যা 8, (আয়ন, পরমাণু অপেক্ষা বেশি সুস্থিত)।
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Answer ( 1 )
Na+ কারণ এর বাইরের কক্ষের ইলেকট্রন সংখ্যা 8, (আয়ন, পরমাণু অপেক্ষা বেশি সুস্থিত)।