trapped rubidium atoms at the Atom Trainers

Rb - Rubidium

	Atomic number	-	37			Density	g/mL	1	.53
	Atomic weight	u	85	.4678		Melting point	K	312	.64
	Bonding radius	A	2	.16		Boiling point	K	961
	Atomic radius	A	2	.98		Heat of vaporization	kJ/mol	72	.216
	Ionization Potential	V	4	.177		Heat of fusion	kJ/mol	2	.192
	Electronegativity	-	0	.82		Specific heat	J/gK	0	.363
	The oxide is a strong base.					Crystal are body centered cubic.
	Electron config. : [Kr] 5s1
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Lr

Isotopes of Rb: Click mass number for decay process, product for element page.

074 64.9 msec EC,10.400 MeV Kr-74 73.944497	075 19.0 sec EC,7.020 MeV Kr-75 74.938571	076 36.5 sec EC,8.500 MeV Kr-76 75.935075	077 3.78 min EC,5.344 MeV Kr-77 76.930406	078 17.66 min EC,7.224 MeV Kr-78 77.928143	079 22.9 min EC,3.649 MeV Kr-79 78.924000	080 33.4 sec EC,5.723 MeV Kr-80 79.922522
081 4.576 hr EC,2.237 MeV Kr-81 80.918994	082 1.273 min EC,4.400 MeV Kr-82 81.918207	083 86.2 da EC,4.000 MeV Kr-83 82.915113	084 32.77 da B-/EC,2.681 Sr-84/Kr-84 83.914387	085 72.165% Stable 84.911792	086 18.631 da B-/EC,1.775 Sr-86/Kr-86 85.911169	087 27.835% 4.75E10 yr B-,4.800 MeV Sr-87 86.909185
088 17.78 min B-,5.316 MeV Sr-88 87.911323	089 15.15 min B-,4.501 MeV Sr-89 88.912288	090 158 sec B-,6.590 MeV Sr-90 89.914813	091 58.4 sec B-,5.861 MeV Sr-91 90.916491	092 4.492 sec B-/B-n,8.105 Sr-92/Sr-91 91.919683	093 5.84 sec B-/B-n,7.462 Sr-93/Sr-92 92.922032	094 2.702 sec B-/B-n,10.307 Sr-94/Sr-93 93.926430
095 377.5 msec B-/B-n,9.279 Sr-95/Sr-94 94.929318	096 202.8 msec B-/B-n,11.756 Sr-96/Sr-95 95.934270	097 169.9 msec B-/B-n,10.420 Sr-97/Sr-96 96.937331	098 114 msec B-/B-2n/B-n,12.344 Sr-98/Sr-96/Sr-97 97.941738	099 50.3 msec B-/B-n,11.250 Sr-99/Sr-98 98.945324	100 51 msec B-/B-n,13.500 Sr-100/Sr-99 99.949865	101 32 msec B-/B-n,11.810 Sr-101/Sr-100 100.95319
102 37 msec B-/B-n,2.500 Sr-102/Sr-101 102.0	MASS abund. Halflife Particle, Energy Decay Product(s) Isotopic Mass

Updated by clh on 2/6/98. This is not a publication of Phoenix College.