Rodyo

Ang rodyo (Iningles rhodium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Rh ug kaiphan nga atomik 45. Ang rodyo mao ang puthaw nga transisyon.

Rhodium
45Rh
Co ↑ Rh ↓ Ir Periodic table ruthenium ← rhodium → palladium
Panagway
silvery white metallic
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	rhodium, Rh, 45
Paglitok	/ˈroʊdiəm/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-dee-əm]]
Kategoriyang elemento	puthaw nga transisyon
Group, period, block	9, 5, d
Gibug-aton sa atomo	102.90550
Kontorno sa elektron	[Kr] 5s1 4d8 2, 8, 18, 16, 1 Electron shells of rhodium (2, 8, 18, 16, 1)
History
Pagkadiskobre	William Hyde Wollaston (1804)
First isolation	William Hyde Wollaston (1804)
Physical properties
Phase	magahi
Density (near r.t.)	12.41 g·cm−3
Liquid density at m.p.	10.7 g·cm−3
Melting point	2237 K, 1964 °C, 3567 °F
Boiling point	3968 K, 3695 °C, 6683 °F
Heat of fusion	26.59 kJ·mol−1
Heat of vaporization	494 kJ·mol−1
Molar heat capacity	24.98 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 2288 2496 2749 3063 3405 3997
Atomic properties
Oxidation states	6, 5, 4, 3, 2, 1, -1 (amphoteric oxide)
Electronegativity	2.28 (Pauling scale)
Ionization energies	1st: 719.7 kJ·mol−1
	2nd: 1740 kJ·mol−1
	3rd: 2997 kJ·mol−1
Atomic radius	134 pm
Covalent radius	142±7 pm
Miscellanea
Crystal structure	face-centered cubic
Magnetic ordering	paramagnetic
Electrical resistivity	(0 °C) 43.3 nΩ·m
Thermal conductivity	150 W·m−1·K−1
Thermal expansion	(25 °C) 8.2 µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 4700 m·s−1
Young's modulus	380 GPa
Shear modulus	150 GPa
Bulk modulus	275 GPa
Poisson ratio	0.26
Mohs hardness	6.0
Vickers hardness	1246 MPa
Brinell hardness	1100 MPa
CAS registry number	7440-16-6
Most stable isotopes
Main article: Isotopes of rhodium
iso NA half-life DM DE (MeV) DP

Galeriya sa hulagway

• 
• 
• 
• 
• 
•