- Ngalan, simbolo, kaiphan
- thulium, Tm, 69
- Paglitok
- [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-lee-əm]]
- Kategoriyang elemento
- puthaw nga lantanido
- Group, period, block
- n/a, 6, f
- Gibug-aton sa atomo
- 168.93421
- Kontorno sa elektron
- [Xe] 4f13 6s22, 8, 18, 31, 8, 2 Electron shells of thulium (2, 8, 18, 31, 8, 2)
- Pagkadiskobre
- Per Teodor Cleve (1879)
- First isolation
- Per Teodor Cleve (1879)
- Phase
- magahi
- Density (near r.t.)
- 9.32 g·cm−3
- Liquid density at m.p.
- 8.56 g·cm−3
- Melting point
- 1818 K, 1545 °C, 2813 °F
- Boiling point
- 2223 K, 1950 °C, 3542 °F
- Heat of fusion
- 16.84 kJ·mol−1
- Heat of vaporization
- 247 kJ·mol−1
- Molar heat capacity
- 27.03 J·mol−1·K−1
- Oxidation states
- 2, 3, 4 (basic oxide)
- Electronegativity
- 1.25 (Pauling scale)
- Ionization energies
- 1st: 596.7 kJ·mol−1
- Atomic radius
- 176 pm
- Covalent radius
- 190±10 pm
- Crystal structure
- hexagonal
- Magnetic ordering
- paramagnetic at 300 K
- Electrical resistivity
- (r.t.) (poly) 676 nΩ·m
- Thermal conductivity
- 16.9 W·m−1·K−1
- Thermal expansion
- (r.t.) (poly)13.3 µm/(m·K)
- Young's modulus
- 74.0 GPa
- Shear modulus
- 30.5 GPa
- Bulk modulus
- 44.5 GPa
- Poisson ratio
- 0.213
- Vickers hardness
- 520 MPa
- Brinell hardness
- 471 MPa
- CAS registry number
- 7440-30-4