Clinfowiki

Thulium
69Tm
- ↑ Tm ↓ Md Periodic table erbium ← thulium → ytterbium
Panagway
silvery gray
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	thulium, Tm, 69
Paglitok	/ˈθjuːliəm/ [[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 6s2 2, 8, 18, 31, 8, 2
History
Pagkadiskobre	Per Teodor Cleve (1879)
First isolation	Per Teodor Cleve (1879)
Physical properties
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
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 1117 1235 1381 1570 (1821) (2217)
Atomic properties
Oxidation states	2, 3, 4 (basic oxide)
Electronegativity	1.25 (Pauling scale)
Ionization energies	1st: 596.7 kJ·mol−1
	2nd: 1160 kJ·mol−1
	3rd: 2285 kJ·mol−1
Atomic radius	176 pm
Covalent radius	190±10 pm
Miscellanea
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
Most stable isotopes
Main article: Isotopes of thulium
iso NA half-life DM DE (MeV) DP 167Tm syn 9.25 d ε 0.748 167Er 168Tm syn 93.1 d ε 1.679 168Er 169Tm 100% 169Tm is stable with 100 neutrons 170Tm syn 128.6 d β− 0.968 170Yb 171Tm syn 1.92 y β− 0.096 171Yb
· r

Ang tulyo (Iningles thulium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Tm ug kaiphan nga atomik 69. Ang tulyo mao ang puthaw nga lantanido.