Antimony (Sb) VS Bismuth (Bi)
A definitive side-by-side comparison of two essential element profiles.
VS
Main Differences
Antimony (Sb) is an element in the metalloids category with an atomic number of 51. Bismuth (Bi) is an element in the post-transition metals category with an atomic number of 83.
Bismuth (Bi) is 1.5x denser than Antimony (Sb). Furthermore, Antimony (Sb) melts at a significantly higher temperature than Bismuth (Bi) (a difference of 359.1 Kelvin).
Where do the names come from?
Antimony (Sb) Naming History
The name Antimony derives from the Greek ''anti - monos'', meaning not alone
Bi Bismuth (Bi) Naming History
The name Bismuth come from the German 'Bisemutum' a corruption of 'Weisse Masse' meaning white mass.
Related Comparisons
Compare
Antimony (Sb)
Bismuth (Bi)
Category
Metalloids
Post-transition Metals
Atomic Number
51
83
Symbol
Sb
Bi
Atomic Mass
121.76 u
208.98 u
Group
15
15
Period
5
6
Block
p-block
p-block
Standard State (at 20°C)
solid
solid
Density
6.697 g/cm³
9.78 g/cm³
Melting Point (°C)
630.628°C
271.406°C
Melting Point (°F)
1167.13°F
520.531°F
Melting Point (K)
903.78 K
544.7 K
Boiling Point (°C)
1587°C
1564°C
Boiling Point (°F)
2889°F
2847°F
Boiling Point (K)
1860 K
1837 K
Year Discovered:
c. 1450
1753
CAS Number
7440-36-0
7440-69-9
Origin of Name:
The name derives from the Greek ''anti - monos'', meaning not alone
The name come from the German 'Bisemutum' a corruption of 'Weisse Masse' meaning white mass.