元素周期

元素名称

Z

底层

电子数

外层电子排布

层次1,2,3,4,5,6

1

氢, 氦

1, 2

1

从1

至2

2

锂,铍, 硼,碳,氮,氧,氟,氖

3,4, 5,6,7,8,9,10

2

从2,1

至2,2,4,2

3

钠,镁, 铝,硅,磷,硫,氯,氩

11,12, 13,14,15,16,17,18

3

从3,3,5

至3,3,6,6

4

钾,钙,钪,钛,钒,铬,锰,铁,钴,镍,铜,锌,镓,锗,砷,硒,溴,氪

19,20,21,22,23,24,35,26,27,28,29,30,31,32,33,34,35,36

4

从4,4,8,3

至4,4,8,12,8

5

铷,锶,钇,锆,铌,钼,锝,钌,铑,钯,银,镉,铟,锡,锑,碲,碘,氙

37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54

5

从5,5,10,15,2

至5,5,10,15,19

6

铯,钡, L*,铪,钽,钨,铼,锇,铱,铂,金,汞,铊,铅,铋,钋,砹,氡

55,56,71,72,73,74,75,76,77,78,79,80, 81,82,83,84,85,86

6

从6,6,12,18,13

至6,6,12,18,30,14

7

钫,镭, A*,鈩,𨧀,𨭎,𨨏,𨭆, Mt, Ds,錀

87,88,103,104,105,106,107,108,109,110,111

7

从7,7,14,21,35,3

至7,7,14,21,35,27

L*:镧,铈,镨,钕,钷,钐,铕,钆,铽,镝,钬,铒,铥,镱,镥

57,58,59,60,61,62,63,64,65,66,67,68,69,70,71

A*:锕,钍,镤,铀,镎,钚,镅,锔,锫,锎,锿,镄,钔,锘,铹

89,90,91,92,93,94,95,96,97,98,99,100,101,102,103