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1s2 2s2 2p6 3s 2 3p6 ইলেকট্রন বিন্যাস দেখা যায়—

i. s2- 

ii. Fe2+

iii. Sc3+

নিচের কোনটি সঠিক?

Created: 11 months ago | Updated: 11 months ago
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