Element 37 - Rubidium / Rubidium

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

83 *

82.9151

0

5/2-

85

84.9118

72.17

5/2-

86 *

85.9112

0

2-

87 *

86.9092

27.83

3/2-

(* = unstable isotope)

Mass Number	Atomic Mass	% Abundance	Nuclear Spin
83 *	82.9151	0	5/2-
85	84.9118	72.17	5/2-
86 *	85.9112	0	2-
87 *	86.9092	27.83	3/2-

Electron Configuration:

[Kr] 5s¹

Relative Atomic Mass:

85.468

State (25°C, 1 atm):

solid, metal

Density:

1532 kg/m³

Melting Temperature:

312.2 K

Boiling Temperature:

961 K

Electron Configuration:	[Kr] 5s¹
Relative Atomic Mass:	85.468
State (25°C, 1 atm):	solid, metal
Density:	1532 kg/m³
Melting Temperature:	312.2 K
Boiling Temperature:	961 K