Tulio (Tm) is a chemical element belonging to the category Inner transition metal, with atomic number 69 and atomic mass 168.9340 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Identity
- Name: Tulio
- Symbol: Tm
- Atomic number: 69
- Atomic mass: 168.9340 u
Position in the periodic table
- Group: 3
- Period: 6
- Category: Inner transition metal
Physico-chemical properties
- Standard state: Solid
- Melting point: Very high (800°C to 3500°C)
- Density: High
- Electron configuration: [Xe] 4f¹³ 6s²
Scientific description
Tulio is a chemical element with symbol Tm and atomic number 69. It belongs to the category of Inner transition metal and occupies group 3 and period 6. Its standard atomic mass is 168.9340 u.