Polonium (Po) — Post-transition metal. Atomic number 84.
Silvery radioactive metal
- Atomic number: 84
- Symbol: Po
- Atomic mass: [209] u
- Category: Post-transition metal
- State: Solid
- Melting point: 253.85 °C / 527 K
- Boiling point: 961.85 °C / 1235 K
- Density: 9.2 g/cm³ (20°C)
- Electron configuration: [Xe] 4f14 5d10 6s2 6p4
- Oxidation states: +2, +4
- Electronegativity: 2
- Discovered by: Marie Curie and Pierre Curie (1898)
Common uses: Static eliminators, Research
Biological role: No biological role.
Frequently Asked Questions about Polonium
What is the atomic number of polonium?
Polonium has an atomic number of 84, meaning each atom contains 84 protons in its nucleus.
What is the atomic mass of polonium?
The standard atomic weight of polonium is [209] u (unified atomic mass units).
What category does polonium belong to?
Polonium is classified as a post-transition metal.
What is the state of polonium at room temperature?
Polonium is a solid at 20 °C (68 °F).
What is the melting point of polonium?
The melting point of polonium is 253.85 °C / 527 K.
What is the boiling point of polonium?
The boiling point of polonium is 961.85 °C / 1235 K.
What is the density of polonium?
The density of polonium is 9.2 g/cm³ (20°C).
What is the electronegativity of polonium?
Polonium has a Pauling electronegativity of 2.
What is the electron configuration of polonium?
The electron configuration of polonium is [Xe] 4f14 5d10 6s2 6p4.
What are the common oxidation states of polonium?
Polonium commonly exhibits the following oxidation states: +2, +4.
When was polonium discovered?
Polonium was discovered in 1898 by Marie Curie and Pierre Curie.
Is polonium radioactive?
Polonium is a naturally occurring radioactive element; all of its isotopes are radioactive.
What is the biological role of polonium?
No biological role.
What are the common uses of polonium?
Polonium is used for: Static eliminators; Research.
