Chemryt - Search by Structure helps chemical search
Index - Chemryt Informatics
Roentgenium
111
Rg
[280.16]
Darmstadtium
110
Ds
[281.16]
Meitnerium
109
Mt
[276.15]
Seaborgium
106
Sg
[271.13]
Rutherfordium
104
Rf
[265.12]
Lawrencium
103
Lr
[262.11]
Promethium
61
Pm
[144.91]
Praseodymium
59
Pr
140.91
Lanthanoids
Mendelevium
101
Md
[258.10]
Einsteinium
99
Es
[252.08]
Californium
98
Cf
[251.08]
Protactinium
91
Pa
231.04
Actinoids