← Periodic Table
83
p🧱
Bi
208.9800

Bismuth

Post Transition Metal

Atomic Properties

Atomic Number
83
Atomic Mass
208.9800 u
Electron Configuration
[Xe] 4f14 5d10 6s2 6p3
Electronegativity
2.02
Block
p-block
Group
15
Period
6

🌡 Physical Properties

Phase (STP)
solid
Melting Point
544.70 K
Boiling Point
1837.00 K
Density
9.7800 g/cm³

About Bismuth

Forms beautiful rainbow crystals; used in cosmetics and medicine.

🔬 Isotopes of Bismuth

Bismuth has 1 naturally occurring isotope.

IsotopeMass NumberAtomic Mass (u)AbundanceType
209Bi209208.9803991100.00%Stable

Data source: NIH PubChem (aggregated from IUPAC, NIST)