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Câu 17:

Số prôtôn có trong hạt nhân ${}_{11}^{23}Na$

Câu 17: Số prôtôn có trong hạt nhân 1123Na{}_{11}^{23}Na1123​Na là

Thông tin câu hỏi

Câu 17:

Số prôtôn có trong hạt nhân ${}_{11}^{23}Na$ là