84 Po
Post-transition metal
Polonium
Discovered by Marie Curie.
Properties of Polonium
- Atomic number (Z)
- 84
- Symbol
- Po
- Atomic mass
- 209 g/mol
- Category
- Post-transition metal
- Group
- 16
- Period
- 6
- Electron configuration
- [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴
- Electronegativity (Pauling)
- 2
- Atomic radius
- 135 pm
- First ionization energy
- 812 kJ/mol
- Melting point
- 527 K (253.9 °C)
- Boiling point
- 1235 K (961.9 °C)
- Density
- 9.32 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1898
Frequently asked questions
What is Polonium?
Polonium (Po) is a post-transition metal, element number 84 on the periodic table. Discovered by Marie Curie.
What is the atomic number and atomic mass of Polonium?
Polonium has atomic number 84 and an atomic mass of about 209 g/mol.
What is the electron configuration of Polonium?
The electron configuration of Polonium is [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴.
Where is Polonium on the periodic table?
Polonium sits in group 16, period 6, and is classified as a post-transition metal.