Periodic Table:

Element 66 - Dysprosium / Dysprosium

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

154 *

153.9244

0

0

156

155.9253

0.06

0

158

157.9244

0.10

0

160

159.9252

2.34

0

161

160.9269

18.90

5/2+

162

161.9268

25.50

0

163

162.9287

24.90

5/2-

164

163.9292

28.20

0

(* = unstable isotope)

Electron Configuration:

[Xe] 4f10 6s2

Relative Atomic Mass:

162.50

State (25°C, 1 atm):

solid, metal

Density:

8550 kg/m3

Melting Temperature:

1685 K

Boiling Temperature:

2835 K

© W. Bauer, 1999