Rhodium 45

Atomic No. Order:

Alphabetic Order:

Periodic Table

Co
27

Rh
45

Ir
77

Mt
109

Upe
159

Bne
209

Rhodium

Symbol

Atomic Number

Relative Atomic Mass
¹²C = 12.0000

102.905 50 ( ^±2) [Since 1995]

Atomic Radius pm

134

First Ionisation Energy
kJ mol ^-1

720

Ionisation Energy (eV)

7.4589

Electronegativity

2.28

Density
kg m ^-3

12410 [293 K]
10650 [l., m.p.]

Molar Volume cm ³

8.29

Thermal Conductivity
W m ^-1 K ^-1

150 [300 K]

Melting Point K

2239

Boiling Point K

4000

Number of Isotopes

Isotope Atomic mass/u Mole fraction

103Rh 102.905 504(3) 1.0000

Inner + outer Shells

Inner + outer Orbitals

???

Algorythm of Software

2, 8, 18,

16, 1

2, 8, 18,

15, 2

Filling Orbital

4d ⁸

4d ⁷

Ground State Electron Configuration

[Kr]

4d ⁸

5s ¹

[Kr]

4d ⁷

5s ²

Ground State Electron Configuration with free Orbitals (n=9)

0, 0, 0, 2, 7

0, 0, 0, 3, 6

Ground State Electron Configuration with compressed Orbitals (n=56)

0, 0, 0, 14, 42

Singularity

110

	s	p	d		f	g	h	i	j
1	2
2	2	6
3	2	6	10
4	2	6	7	3	14
5	2	6	10		14	18
6
7
8

Term Symbol

⁴F _9/2

Discovery

It was discovered by the English chemist and physicist William Hyde Wollaston (London, England) in 1803 in a crude platinum ore.

Name Derived From

The name derives from the Greek rhodon for rose because of the "rose color of dilute solutions of its salts".

APSIDIUM ©	Created:		2002-07-03		045.pdf
	Page update:		2004-12-08		045.pdf