Element 87 - Francium / Francium

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

212 *

211.9961

0

5+

223 *

223.0197

gering

3/2+

(* = unstable isotope)

Mass Number	Atomic Mass	% Abundance	Nuclear Spin
212 *	211.9961	0	5+
223 *	223.0197	gering	3/2+

Electron Configuration:

[Rn] 7s¹

Relative Atomic Mass:

223.02

State (25°C, 1 atm):

solid, metal

Density:

?

Melting Temperature:

300 K

Boiling Temperature:

950 K

Electron Configuration:	[Rn] 7s¹
Relative Atomic Mass:	223.02
State (25°C, 1 atm):	solid, metal
Density:	?
Melting Temperature:	300 K
Boiling Temperature:	950 K