一些元素的各个电子层的电子数分别是怎样的?K原子的各个电子层的电子数分别是什么?是2 8 8 Fe（原子序数为26）是2 8 8 Cu（原子序数为29）是2 8 18 Rb（原子序数为37）是2 8 18 8 Ru（原子序数为4

一些元素的各个电子层的电子数分别是怎样的?K原子的各个电子层的电子数分别是什么?是2 8 8 Fe（原子序数为26）是2 8 8 Cu（原子序数为29）是2 8 18 Rb（原子序数为37）是2 8 18 8 Ru（原子序数为4
一些元素的各个电子层的电子数分别是怎样的?
K原子的各个电子层的电子数分别是什么?是2 8 8
Fe（原子序数为26）是2 8 8
Cu（原子序数为29）是2 8 18
Rb（原子序数为37）是2 8 18 8
Ru（原子序数为44）是2 8 18 8
Rh（原子序数为45）是2 8 18 8 8
Te（原子序数为52）是2 8 18 8 8
Pm（原子序数为61）是2 8 18 32

一些元素的各个电子层的电子数分别是怎样的?K原子的各个电子层的电子数分别是什么?是2 8 8 Fe（原子序数为26）是2 8 8 Cu（原子序数为29）是2 8 18 Rb（原子序数为37）是2 8 18 8 Ru（原子序数为4
过渡元素的排布方式与主族元素不同.它的次外层往往是不满的.
不要纠结这些,初中不考.
高中也只涉及第4周期过渡元素.
下面给出元素的核外电子排布方式.
+21, 2, 8, 9, 2, 钪, Sc
+22, 2, 8, 10, 2, 钛, Ti
+23, 2, 8, 11, 2, 钒, V
+24, 2, 8, 13, 1, 铬, Cr
+25, 2, 8, 13, 2, 锰, Mn
+26, 2, 8, 14, 2, 铁, Fe
+27, 2, 8, 15, 2, 钴, Co
+28, 2, 8, 16, 2, 镍, Ni
+29, 2, 8, 18, 1, 铜, Cu
+30, 2, 8, 18, 2, 锌, Zn
+31, 2, 8, 18, 3, 镓, Ga
+32, 2, 8, 18, 4, 锗, Ge
+33, 2, 8, 18, 5, 砷, As
+34, 2, 8, 18, 6, 硒, Se
+35, 2, 8, 18, 7, 溴, Br
+36, 2, 8, 18, 8, 氪, Kr
+37, 2, 8, 18, 8, 1, 铷, Rb
+38, 2, 8, 18, 8, 2, 锶, Sr
+39, 2, 8, 18, 9, 2, 钇, Y
+40, 2, 8, 18, 10, 2, 锆, Zr
+41, 2, 8, 18, 12, 1, 铌, Nb
+42, 2, 8, 18, 13, 1, 钼, Mo
+43, 2, 8, 18, 13, 2, 锝, Tc
+44, 2, 8, 18, 15, 1, 钌, Ru
+45, 2, 8, 18, 16, 1, 铑, Rh
+46, 2, 8, 18, 18, 钯, Pd
+47, 2, 8, 18, 18, 1, 银, Ag
+48, 2, 8, 18, 18, 2, 镉, Cd
+49, 2, 8, 18, 18, 3, 铟, In
+50, 2, 8, 18, 18, 4, 锡, Sn
+51, 2, 8, 18, 18, 5, 锑, Sb
+52, 2, 8, 18, 18, 6, 碲, Te
+53, 2, 8, 18, 18, 7, 碘, I
+54, 2, 8, 18, 18, 8, 氙, Xe
+55, 2, 8, 18, 18, 8, 1, 铯, Cs
+56, 2, 8, 18, 18, 8, 2, 钡, Ba
+57, 2, 8, 18, 18, 9, 2, 镧, La
+58, 2, 8, 18, 19, 9, 2, 铈, Ce
+59, 2, 8, 18, 21, 8, 2, 镨, Pr
+60, 2, 8, 18, 22, 8, 2, 钕, Nd
+61, 2, 8, 18, 23, 8, 2, 钷, Pm
+62, 2, 8, 18, 24, 8, 2, 钐, Sm
+63, 2, 8, 18, 25, 8, 2, 铕, Eu
+64, 2, 8, 18, 25, 9, 2, 钆, Gd
+65, 2, 8, 18, 27, 8, 2, 铽, Td
+66, 2, 8, 18, 28, 8, 2, 镝, Dy
+67, 2, 8, 18, 29, 8, 2, 钬, Ho
+68, 2, 8, 18, 30, 8, 2, 铒, Er
+69, 2, 8, 18, 31, 8, 2, 铥, Tm
+70, 2, 8, 18, 32, 8, 2, 镱, Yb
+71, 2, 8, 18, 32, 9, 2, 镥, Lu
+72, 2, 8, 18, 32, 10, 2, 铪, Hf
+73, 2, 8, 18, 32, 11, 2, 钽, Ta
+74, 2, 8, 18, 32, 12, 2, 钨, W
+75, 2, 8, 18, 32, 13, 2, 铼, Re
+76, 2, 8, 18, 32, 14, 2, 锇, Os
+77, 2, 8, 18, 32, 15, 2, 铱, Ir
+78, 2, 8, 18, 32, 17, 1, 铂, Pt
+79, 2, 8, 18, 32, 18, 1, 金, Au
+80, 2, 8, 18, 32, 18, 2, 汞, Hg
+81, 2, 8, 18, 32, 18, 3, 铊, Tl
+82, 2, 8, 18, 32, 18, 4, 铅, Pb
+83, 2, 8, 18, 32, 18, 5, 铋, Bi
+84, 2, 8, 18, 32, 18, 6, 钋, Po
+85, 2, 8, 18, 32, 18, 7, 砹, At
+86, 2, 8, 18, 32, 18, 8, 氡, Rn
+87, 2, 8, 18, 32, 18, 8, 1, 钫, Fr
+88, 2, 8, 18, 32, 18, 8, 2, 镭, Ra