Cho bi t nguyên t kh i c a nguyên t : H = 1; C = 12; N = 14; O = 16; Na = 23; Al = 27; S = 32; Cl = 35,5; K = 39; Fe = 56; Cu = 64; Zn = 65; Ag = 108; Ba = 137                       t    t      Luy n Thi THPT Qu c Gia Th y Nguy n Tá B c                   Facebook: https://www.facebook.com/Bacnt.ltdh/ Group: https://www.facebook.com/groups/ido.vn/ Đi n tho i: 016.3907.8888 NTB 02 Luy n Thi THPT Qu c Gia Th y Nguy n Tá B c                      Facebook: https://www.facebook.com/Bacnt.ltdh/ Group: https://www.facebook.com/groups/ido.vn/ Đi n tho i: 016.3907.8888        NTB 03 Luy n Thi THPT Qu c Gia   Th y Nguy n Tá B c              NO3-              Facebook: https://www.facebook.com/Bacnt.ltdh/ Group: https://www.facebook.com/groups/ido.vn/ Đi n tho i: 016.3907.8888 NTB 04 Luy n Thi THPT Qu c Gia      Th y Nguy n Tá B c                                Facebook: https://www.facebook.com/Bacnt.ltdh/ Group: https://www.facebook.com/groups/ido.vn/ Đi n tho i: 016.3907.8888         NTB 05 Luy n Thi THPT Qu c Gia Th y Nguy n Tá B c        Facebook: https://www.facebook.com/Bacnt.ltdh/ Group: https://www.facebook.com/groups/ido.vn/ Đi n tho i: 016.3907.8888 NTB 06 Luy n Thi THPT Qu c Gia Th y Nguy n Tá B c                                                  Facebook: https://www.facebook.com/Bacnt.ltdh/ Group: https://www.facebook.com/groups/ido.vn/ Đi n tho i: 016.3907.8888       NTB 07