What is the decay product of rubidium-87?
What is the decay product of rubidium-87?
The isotope of Rubidium 87 decays to an isotope of Strontium 87. The half-life of this isotope is approximately 48.8 billion years.
What is the RAM of rubidium?
It chemically resembles sodium but is more reactive. Properties: at. no. 37; r.a.m. 85.4678; r.d. 1.53; m.p. 38.89°C (102°F); b.p. 688°C (1270°F); most common isotope Rb 85 (72.15%).
What are the abundance of Sr 86 and Sr 87?
In geologic and environmental investigations, the ratio of 87Sr/86Sr is typically used because of their similar abundances – 7% and 10%, respectively.
What is the mass of Rb 87?
86.909184
CHEBI:52459 – rubidium-87 atom
| ChEBI Name | rubidium-87 atom |
|---|---|
| ChEBI ID | CHEBI:52459 |
| Definition | The stable isotope of rubidium with relative atomic mass 86.909184, 27.9 atom percent natural abundance and nuclear spin 3/2. |
| Stars | This entity has been manually annotated by the ChEBI Team. |
Is RB 87 stable?
Rubidium-87 atom is the stable isotope of rubidium with relative atomic mass 86.909184, 27.9 atom percent natural abundance and nuclear spin 3/2.
How does rubidium strontium dating work?
rubidium-strontium dating, method of estimating the age of rocks, minerals, and meteorites from measurements of the amount of the stable isotope strontium-87 formed by the decay of the unstable isotope rubidium-87 that was present in the rock at the time of its formation.
How many neutrons does RB 87 have?
50
Properties of Rubidium-87 Isotope:
| Properties of Rubidium-87 Isotope: | RUBIDIUM-87 |
|---|---|
| Neutron Number (N) | 50 |
| Atomic Number (Z) | 37 |
| Mass Number (A) | 87 |
| Nucleon Number (A) | 87 |
What is Rb in chemistry?
rubidium (Rb), chemical element of Group 1 (Ia) in the periodic table, the alkali metal group. Rubidium is the second most reactive metal and is very soft, with a silvery-white lustre.
What is the atomic mass unit of strontium?
87.62 uStrontium / Atomic mass
How is strontium 89 produced?
Strontium-89 has a half-life of 50.563 days and is produced via neutron capture by an enriched strontium-88 oxide target using the DOE’s High Flux Isotope Reactor, located at Oak Ridge National Laboratory. The product has a radionuclidic purity of >99.8% and is sold as strontium chloride solution in 0.1 N HCI.
What is the atomic mass of rubidium 85 and 87?
Rubidium
| Isotope | Atomic mass (Da) | Isotopic abundance (amount fraction) |
|---|---|---|
| 85Rb | 84.911 789 74(3) | 0.7217(2) |
| 87Rb | 86.909 180 53(4) | 0.2783(2) |
What is the half-life of 87 RB?
48.8 x 109 years
Rubidium has two naturally occurring isotopes, 85Rb (72.2%) and 87Rb (27.8%). Rb is radioactive, with a half-life of 48.8 x 109 years….
| Related Links | |
|---|---|
| • | Periodic Table |
| • | General References |
| • | Isotope Publications |