|
Seaborgium
|
Sg
|
106
|
Transition metal
|
Glenn T. Seaborg, scientist
|
6
|
7
|
|
|
-35.00
|
|
|
|
|
0.00
|
|
Dubnium
|
Db
|
105
|
Transition metal
|
Dubna, Russia
|
5
|
7
|
|
|
-29.30
|
|
|
|
|
0.00
|
|
Roentgenium
|
Rg
|
111
|
Unknown chemical properties
|
Wilhelm Conrad Röntgen, physicist
|
11
|
7
|
|
|
-28.70
|
|
|
|
|
0.00
|
|
Darmstadtium
|
Ds
|
110
|
Unknown chemical properties
|
Darmstadt, Germany, where the element was first synthesized
|
10
|
7
|
|
|
-34.80
|
|
|
|
|
0.00
|
|
Meitnerium
|
Mt
|
109
|
Unknown chemical properties
|
Lise Meitner, physicist
|
9
|
7
|
|
|
-37.40
|
|
|
|
|
0.00
|
|
Oganesson
|
Og
|
118
|
Unknown chemical properties
|
Yuri Oganessian, physicist
|
18
|
7
|
|
|
-5.00
|
|
-350.00
|
|
|
0.00
|
|
Flerovium
|
Fl
|
114
|
Unknown chemical properties
|
Flerov Laboratory of Nuclear Reactions, part of JINR where the element was synthesized; itself named for Georgy Flyorov, physicist
|
14
|
7
|
|
|
-14.00
|
|
210.00
|
|
|
0.00
|
|
Helium
|
He
|
2
|
Noble gas
|
the Greek helios, 'sun'
|
18
|
1
|
4.00
|
0.00
|
0.00
|
|
4.22
|
5.19
|
|
0.01
|