giải giúp em 2 câu này với : Câu 11 : Nguyên tử của một nguyên tố gồm 115 hạt . Số hạt mang điện nhiều hơn số hạt không mang điện là 25 hạt . Xác định số hạt p,n,e trong nguyên tử đó Câu 12 : Nguyên tử M có số n nhiều hơn số p là 1 và số hạt mang điện nhiều hơn số hạt ko mang điện là 10 . Xác định số hạt p,n,e trong nguyên tử đó

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