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What is the decay mode in iodine-131?
Iodine-131 decays through beta decay by emitting a beta particle and a gamma ray. This process transforms a neutron in the iodine-131 nucleus into a proton, resulting in the formation of xenon-131.
How long would it take for iodine-131 to decay into xenon?
The half life of Iodine-131 is 8.02 days, that means that say if you had 1 gram of 131I after approximately 8 days there would be only 0.5g left. The other half would have become Xenon-131. After 6 half lives (~48 days in your case) you would only have 1.6% of the original amount left.
What decaying radioisotope produces xenon-131 through beta decay?
Iodine-131 is a decaying radioisotope that produces xenon-131 through beta decay. During beta decay, a neutron is transformed into a proton within the nucleus, and a beta particle (an electron) is emitted, resulting in the production of xenon-131.
What is the structure of iodine-131?
Iodine-131 is a radioactive isotope of iodine with 53 protons and 78 neutrons in its nucleus. It decays by beta decay, emitting beta particles and transforming into xenon-131.
Iodine 131 has a half life of 8 days. When will 10 lbs of iodine 131 not be radioactive anymore?
Never. As a simple exponential-decay problem, it can get as small as you want if you're willing to wait long enough, but it never reaches zero.
What is the nuclear equation for the decay of iodine?
Here is the equation for the beta minus decay of iodine-131: 53131I => 54131Xe + e- + ve The iodine-131 undergoes a transformation when a down quark within a neutron in its nucleus changes into an up quark. This change is mediated by the weak interaction, or weak force. The neutron then becomes a proton, and an electron is created and ejected from the nucleus along with an antineutrino. To learn more, use the link below to the related question, "What is beta decay?"
When an iodine 131 atom decays by emitting a beta particle and a gamma particle it forms?
When an iodine-131 atom decays by emitting a beta particle and a gamma particle, it forms xenon-131. The beta particle is an electron, while the gamma particle is a high-energy photon. This decay process helps iodine-131 become a stable element, xenon-131.
How many days must elapse for a 0.80 Mg sample of iodine-131 in the thyroid to decay to 0.10 Mg?
The time required is 24.06 days. The half life of iodine 131 is 8.02 days.
What is iodine-131?
Iodine-131 is a radioactive isotope of the element iodine.
What is the daughter product for the beta decay of iodine-136?
We know that iodine-131 will undergo beta minus decay, and an electron will appear as a result. (An electron antineutrino will also be produced, but we don't want to go there in this topic.)
Iodine -131 undergoes radioactive decay to form an isotope with 54 protons and 77 neutrons what type of decay occur in this isotope?
The number 131 on the end shows us the mass of the isotope of iodineIf there are 53 protons, you need to take that away from the mass number to get the number of neutrons(Remember, electrons have such a small mass, we say that they have no mass at all, just to make it easier)131 - 53 = 78So the answer is A
How much of an 80-milligram sample of Iodine-131 would be left after 32 days?
After 32 days, approximately 5 milligrams of the 80-milligram sample of Iodine-131 would be left. Iodine-131 has a half-life of about 8 days, so after each 8-day period, half of the remaining sample will decay.
