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Bai 3: Nguyen To Hoa Hoc, Nguyen to hoa hoc la tap hop cac nguyen tu co…
Bai 3: Nguyen To Hoa Hoc
Nguyen to hoa hoc
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So hieu nguyen tu, so khoi, ki hieu
Dong vi, Nguyen tu khoi trung binh
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-NTK la khoi luong tuong doi cua 1 nguyen tu, cho biet khoi luong cua 1 nguyen tu nang gap bao nhieu lan 1 amu
-NTK cua nguyen to hoa hoc co nhieu dong vi la nguyen tu khoi trung binh cua cac dong vi, co tinh den ti le so nguyen tu cac dong vi tuoung ung
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