Seaborgium (Sg) VS Bohrium (Bh)
A definitive side-by-side comparison of two essential element profiles.
VS
Main Differences
Seaborgium (Sg) is an element in the transition metals category with an atomic number of 106. Bohrium (Bh) is an element in the transition metals category with an atomic number of 107.
Bohrium (Bh) is 1.1x denser than Seaborgium (Sg).
Where do the names come from?
Sg Seaborgium (Sg) Naming History
Seaborgium is named for Glenn T. Seaborg, who was instrumental in producing several transuranium elements.
Bh Bohrium (Bh) Naming History
Bohrium is named for the Danish atomic physicist Niels Bohr
Related Comparisons
Compare
Seaborgium (Sg)
Bohrium (Bh)
Category
Transition Metals
Transition Metals
Atomic Number
106
107
Symbol
Sg
Bh
Atomic Mass
[269] u
[270] u
Group
6
7
Period
7
7
Block
d-block
d-block
Standard State (at 20°C)
solid
solid
Density
35.0* g/cm³
37.1* g/cm³
Melting Point (°C)
N/A
N/A
Melting Point (°F)
N/A
N/A
Melting Point (K)
null K
null K
Boiling Point (°C)
N/A
N/A
Boiling Point (°F)
N/A
N/A
Boiling Point (K)
null K
null K
Year Discovered:
1974
1981
CAS Number
54038-81-2
54037-14-8
Origin of Name:
Seaborgium is named for Glenn T. Seaborg, who was instrumental in producing several transuranium elements.
Bohrium is named for the Danish atomic physicist Niels Bohr