64 Gd
Lanthanide
Gadolinium
Used in MRI contrast agents.
Properties of Gadolinium
- Atomic number (Z)
- 64
- Symbol
- Gd
- Atomic mass
- 157.25 g/mol
- Category
- Lanthanide
- Group
- 3
- Period
- 6
- Electron configuration
- [Xe] 4f⁷ 5d¹ 6s²
- Electronegativity (Pauling)
- 1.2
- Atomic radius
- 233 pm
- First ionization energy
- 593 kJ/mol
- Melting point
- 1585 K (1311.8 °C)
- Boiling point
- 3546 K (3272.8 °C)
- Density
- 7.895 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1880
Frequently asked questions
What is Gadolinium?
Gadolinium (Gd) is a lanthanide, element number 64 on the periodic table. Used in MRI contrast agents.
What is the atomic number and atomic mass of Gadolinium?
Gadolinium has atomic number 64 and an atomic mass of about 157.25 g/mol.
What is the electron configuration of Gadolinium?
The electron configuration of Gadolinium is [Xe] 4f⁷ 5d¹ 6s².
Where is Gadolinium on the periodic table?
Gadolinium sits in group 3, period 6, and is classified as a lanthanide.