... lng 7p = 1, 6726 .10 - 27kg ì = 11 ,7082 .10 2 7 kg Khi lng 7n = 1, 6748 .10 - 27kg ì = 11 ,7236 .10 2 7 kg Khi lng 7e = 9 ,10 9 4 .10 - 31kg ì = 0,0064 .10 - 27 kg Tng lng ca nguyờn t nit = 23,4382 .10 - 27kg 11 Nhn xột: ... THPT Giỏo ỏn ging dy húa hc lp 10 qe = -1, 602 .10 - 19 C qp = -1, 602 .10 - 19 C qn = me = 9 ,10 9 4 .10 - 31kg me 0,00055u mp = 1, 6726 .10 - 27kg mp 1u mn = 1, 6748 .10 - 27kg mn 1u Trong nguyờn t, s n v in tớch ... dy húa hc lp 10 Khi lng m me = 9 ,10 9 4 .1 0-31kg me 0,00055 u mp = 1, 6726 10 2 7 kg mp 1u mn = 1, 6748 .1 0-27kg mn 1u IV Cng c: -Nhc li kin thc -Bi v nh: 1, 2,3,4,5 trang SGK v 1. 1 -1. 6 SBT BI 2:...