Bảng một số nguyên tố hóa học Hóa trị một số nhóm nguyên tử Tên Ntố KHHH NT khối Hóa trị Nhóm ( gốc axit) Kí hiệu và Hóa trị PTK                        !"! # # $  %&' (   ) # #   %&'     %&'   *" + ', (+   $ -   .* + ', +   $     + ',  (+  / / $ .* + ',  +  '  )  0    $!     00 (   $ 12 12   300      $ 4 5   + ', (+   6) +% + 6 * + ', +   6 0   "* +% (+    7  8' +  "*"* 5 CH 3 COO- !$   !"! .* 5 ' 5   !$ 52' 5 $"$  9'% (9'   $   $       '  )  :;%<= C 2 H 5 O- !   ! ""* :;%#  # 6) 1'2' 1' !! "*"* '2' 1'   $ +> / ! "  (    3?'2   " @ 9' !  # # 6) .* #A% 52 )6  # #   BC='2D' 2 ) " E & ) "* F1GH;%4'2I%J  • +;1J' ( 3G'J+K 'L))M MK+L)) M 1  +N)) • ;7O'2J('L1 1(ML)LPMK 1L 1 • BQ%RS%J 1  )LP *('L" .H;1' ( *   " 5('L('LL)TU  (L)TU+;5V424  F?'2G0W'X M  MK BL )) M YY (ZBK YY L M ))M YYK %L)) M M • 1[JYY(%'NY '24 • YYK*LP   BQ%J*( YY  P ;7O'2\'2JP( YY * F?'2G]J 1(' * (ZBQ%' *(^  1 +;'(1L* . Bảng một số nguyên tố hóa học Hóa trị một số nhóm nguyên tử Tên Ntố KHHH NT khối Hóa trị Nhóm ( gốc axit) Kí hiệu và Hóa trị PTK     . ', +   6 0   "* +% (+    7  8& apos; +  "*"* 5 CH 3 COO- !$   !"! .* 5