Element 81 - Thallium / Thallium

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

203

202.9723

29.52

1/2+

205

204.9744

70.48

1/2+

208 *

207.9820

traces

5+

(* = unstable isotope)

Mass Number	Atomic Mass	% Abundance	Nuclear Spin
203	202.9723	29.52	1/2+
205	204.9744	70.48	1/2+
208 *	207.9820	traces	5+

Electron Configuration:

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹

Relative Atomic Mass:

204.38

State (25°C, 1 atm):

solid, metal

Density:

11850 kg/m³

Melting Temperature:

576.7 K

Boiling Temperature:

1730 K

Electron Configuration:	[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹
Relative Atomic Mass:	204.38
State (25°C, 1 atm):	solid, metal
Density:	11850 kg/m³
Melting Temperature:	576.7 K
Boiling Temperature:	1730 K