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Câu 15: Hạt nhân côban $^{60}_{27} Co$

Câu 15: Hạt nhân côban 2760Co^{60}_{27} Co2760​Co cs bao nhiêu neutron?

Thông tin câu hỏi

Câu 15: Hạt nhân côban $^{60}_{27} Co$ cs bao nhiêu neutron?