Sam Ullman ↔ Web Developer

Periodic Table

Period 1

Period 2

Period 3

Period 4

Period 5

Period 6

Period 7

87

Fr

Francium
223.00000
2
8
18
32
8
2
88

Ra

Radium
226.00000
2
8
18
32
8
2
1
89

Ac

Actinium
227.00000
2
8
18
32
8
2
2
90

Th

Thorium
232.03770
2
8
18
32
8
2
2
1
91

Pa

Protactinium
231.03588
2
8
18
32
8
2
2
3
92

U

Uranium
238.02890
2
8
18
32
8
2
2
4
93

Np

Neptunium
237.04820
2
8
18
32
8
2
2
5
94

Pu

Plutonium
244.06420
2
8
18
32
8
2
2
6
95

Am

Americium
243.06140
2
8
18
32
8
2
2
7
96

Cm

Curium
247.07030
2
8
18
32
8
2
2
8
97

Bk

Berkelium
247.07030
2
8
18
32
8
2
2
9
98

Cf

Californium
251.00000
2
8
18
32
8
2
2
10
99

Es

Einsteinium
252.00000
2
8
18
32
8
2
2
11
100

Fm

Fermium
257.00000
2
8
18
32
8
2
2
12
101

Md

Mendelevium
258.00000
2
8
18
32
8
2
2
13
102

No

Nobelium
259.00000
2
8
18
32
8
2
2
14
103

Lr

Lawrencium
262.00000
2
8
18
32
8
2
2
15
104

Rf

Rutherfordium
261.00000
2
8
18
32
8
2
2
16
105

Db

Dubnium
262.00000
2
8
18
32
8
2
2
17
106

Sg

Seaborgium
266.00000
2
8
18
32
8
2
2
18
107

Bh

Bohrium
264.00000
2
8
18
32
8
2
2
19
108

Hs

Hassium
269.00000
2
8
18
32
8
2
2
20
109

Mt

Meitnerium
268.00000
2
8
18
32
8
2
2
21
110

Ds

Darmstadtium
281.00000
2
8
18
32
8
2
2
22
111

Rg

Roentgenium
280.00000
2
8
18
32
8
2
2
23
112

Uub

Ununbium
285.00000
2
8
18
32
8
2
2
24
113

Uut

Ununtrium
284.00000
2
8
18
32
8
2
2
25
114

Uuq

Ununquadium
289.00000
2
8
18
32
8
2
2
26
115

Uup

Ununpentium
288.00000
2
8
18
32
8
2
2
27
116

Uuh

Ununhexium
292.00000
2
8
18
32
8
2
2
28
117

Uus

Ununseptium
294.00000
2
8
18
32
8
2
2
29
118

Uuo

Ununoctium
294.00000
2
8
18
32
8
2
2
30
119

Uue

Ununennium
294.00000
2
8
18
32
8
2
2
31
120

Uud

Ununduodecium
294.00000
2
8
18
32
8
2
2
32
121

Uuh

Ununquindecium
294.00000
2
8
18
32
8
2
2
33
122

Uuuq

Ununquinquagintium
294.00000
2
8
18
32
8
2
2
34
123

Uus

Ununsexagintium
294.00000
2
8
18
32
8
2
2
35
124

Uut

Ununseptagintium
294.00000
2
8
18
32
8
2
2
36
125

Uuo

Ununoctagintium
294.00000
2
8
18
32
8
2
2
37
126

Uup

Ununquinquavigintium
294.00000
2
8
18
32
8
2
2
38