Dysprosium 66

Atomic No. Order:

Alphabetic Order:

2, 8, 18,

28, 8, 2

Dy
66

Cf
98

Uqo
148

Ueo
198

Dysprosium

Symbol

Atomic Number

Relative Atomic Mass
¹²C = 12.0000

162.500

Atomic Radius pm

177

First Ionisation Energy
kJ mol ^-1

571.9

Electronegativity

1.22

Density kg m ^-3

8550 [293 K]

Molar Volume cm ³

19.00

Thermal Conductivity
W m ^-1 K ^-1

10.7 [300 K]

Melting Point K

1685

Boiling Point K

2835

Number of Isotopes

Inner/outer Shells

Inner/outer Orbitals

Filling Orbital

4f ¹⁰

Ground State Electron Configuration

[Xe]

4f ¹⁰

5p ⁶

6s ²

Ground State Electron Configuration with free Orbitals (n=20)

0, 0, 0, 4, 10, 6

Ground State Electron Configuration with compressed Orbitals (n=96)

0, 0, 0, 0, 32, 64

Singularity

182

	s	p	d	f		g	h	i	j
1	2
2	2	6
3	2	6	10
4	2	6	10	10	4
5	2	6	10	14		18
6	2	6	10	14		18	22
7
8

Term Symbol

⁵ I ₈

Discovery

Discovered by P.É. Lecoq de Boisbaudran (Paris, France) in 1886

Name Derived From

Greek dysprositos meaning 'hard to obtain'

APSIDIUM ©	Created:		2002-08-02		066.pdf
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