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vannguyen4404
2 năm trước
Nguyên tử A có số notron hơn số proton 2 đơn vị, biết số hạt mang điện chiếm 93,75% tổng số hạt. tính số lượng tùng loại hạt trong nt A. Giúp mik nhanh nha ai dug + nhanh nhất = ctlhn
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