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Câu 7:

Hạt nhân nguyên tử $_{30}^{67}Zn$

Câu 7: Hạt nhân nguyên tử 3067Zn_{30}^{67}Zn3067​Zn có

Thông tin câu hỏi

Câu 7:

Hạt nhân nguyên tử $_{30}^{67}Zn$ có