What is the nuclear equation for the alpha decay of platinum 191?
78Pt191 ⟶76Os187+2He4.
What is the alpha decay of platinum 190?
The alpha decay of 190-Pt to the first excited level of 186-Os (J^\pi = 2^+, E_{exc}=137.2 keV) has been observed for the first time, with the half-life determined as: T_{1/2} = 2.6_{-0.3}^{+0.4} (stat.)
What is the resulting isotope when platinum 175 undergoes alpha decay?
The masses of the elements are conserved during alpha decay. In this reaction, platinum-175 undergoes α-decay to produce osmium-171. In this reaction, uranium-238 undergoes α-decay to produce thorium-234.
What is produced when Platinum 191 goes through alpha decay?
Alpha decay of platinum – 191 results in formation of osmium – 187 and a helium atom (alpha particle).
What is the nuclear equation for the formation of iron 54 through fusion?
Fe+
Fe+ heat —> Iron -54 + neutrons.
What is the half life of gold?
Gold (79Au) has one stable isotope, 197Au, and 36 radioisotopes, with 195Au being the most stable with a half-life of 186 days.
Is Platinum an element?
platinum (Pt), chemical element, the best known and most widely used of the six platinum metals of Groups 8–10, Periods 5 and 6, of the periodic table. A very heavy, precious, silver-white metal, platinum is soft and ductile and has a high melting point and good resistance to corrosion and chemical attack.
Is U 238 found in nature?
Uranium-238 (238U or U-238) is the most common isotope of uranium found in nature, with a relative abundance of 99%. Unlike uranium-235, it is non-fissile, which means it cannot sustain a chain reaction in a thermal-neutron reactor.
How many stable isotopes does platinum have?
five stable isotopes
Naturally occurring platinum (78Pt) consists of five stable isotopes (192Pt, 194Pt, 195Pt, 196Pt, 198Pt) and one very long-lived (half-life 6.50×1011 years) radioisotope (190Pt). There are also 34 known synthetic radioisotopes, the longest-lived of which is 193Pt with a half-life of 50 years.
What elements most commonly decay by alpha decay?
In alpha decay, an energetic helium ion (alpha particle) is ejected, leaving a daughter nucleus of atomic… The principal alpha emitters are found among the elements heavier than bismuth (atomic number 83) and also among the rare-earth elements from neodymium (atomic number 60) to lutetium (atomic number 71).
What are the conditions for alpha decay?
Alpha decay occurs when heavy atoms above Z = 83 in the nuclide chart emit an alpha particle, which consists of a helium nuclei with two neutrons, two protons, and a 2+ charge.
How does iridium 192 decay into platinum osmium?
192 Ir decays into platinum 192 ( 192 Pt) via β − decay 95.1% of the time and the remaining 4.9% in osmium 192 ( 192 Os) by EC. This leads to a complex decay pattern resulting in 29 gamma emission peaks from 0.110 to 1.378 MeV, various characteristic x-rays, and numerous electrons up to 1.377 MeV.
Which is an example of alpha decay of platinum?
The alpha decay of platinum-175 In this reaction, platinum-175 undergoes α-decay to produce osmium-171. 2. The alpha decay of uranium-238 In this reaction, uranium-238 undergoes α-decay to produce thorium-234.
How many photons per β-decay of 192 OS?
This decay chain leads to 2.2 photons per β − decay. The second, less probable, branch leading to 192 Os* by EC also decays mainly via gamma emission to the ground state. The most probable energies are the 0.206 and 0.485 MeV, but they make up only a small percentage.
Which is the most probable gamma ray in iridium 192?
Gamma rays of 0.296, 0.309, 0.317, and 0.468 MeV are the most probable (29% to 83%). This decay chain leads to 2.2 photons per β − decay. The second, less probable, branch leading to 192 Os* by EC also decays mainly via gamma emission to the ground state.
