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In a time equal to two half-lives of a radioactive isotope would you expect all of that isotope to have decayed?
Wiki User
∙ 13y ago
No. In two half-lives, a radioactive isotope will decay to one quarter of its original mass. In one half-life, one half of the mass decays. In the next half-life, one half of the remaining mass decays, and so on and so forth. At each half-life point, you would see 0.5, 0.25, 0.125, 0.0625, etc. remaining. The logarithmic equation is...
AT = A0 2(-T/H)
Wiki User
∙ 13y ago
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What is the decay rate of a radioactive isotope?
The decay rate of a specific radionuclide will depend on the quantity of the material in a sample. The more there is, the higher the decay rate. Decay rate for a specific isotope of a specific element is set by the nature of the radioisotope itself; it is an innate property or characteristic. Only by studying samples (specific quantities) containing large numbers of atoms of a given radioisotope, and by counting the number of decay events per unit of time, can we arrive at a characteristic called the half-life of that radioisotope.The half-life of a radionuclide is a statistically derived measure of the rate of its decay. And, to repeat, the rate of decay for a given radionuclide, is a natural characteristic of that radionuclide. It's the number of decays per unit of time that an observer can expect to count for a given sized sample of the material. Use the links below to gather more information.
What is an unchanging measurement of matter in an object?
I expect that the answer that you are required to give is the mass. However, the mass of any radioactive object is very definitely not an unchanging measure. And even with non-radioactive materials, some Grand Unified Theories (GUTs) of matter suggests that protons themselves might decay with a half life of over ten decillion years! While that is hugely greater than the 14.5 years that the universe has been in existence, it is not unchanging - if true.
What refers to the tendency of observers to see what they expect to see?
refers to the tendency of observers to see what they expect to see.
If the amplitude of the waves coming from a light bulb decreased what will you expect to happen?
I would expect the light bulb to fail.
What is the mass of a ship?
nobody knows tht expect ppl who r nerds!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! everybody knows tht "expect" ppl who r retards!!!!!!!!
Is tritium on the periodic table?
The isotope of hydrogen we call tritium is radioactive because all atoms of it have an unstable nucleus. Tritium, which is hydrogen-3, has a single proton in its nucleus (as you'd expect), and has two neutrons there as well. This combination of nucleons is not stable, and it will eventually decay (with a 12.32 year half-life). Said another way, the nuclear arrangement of a proton and two neutrons is not a stable one, so atoms of this isotope of hydrogen will be radioactive and will eventually decay. When any atom is "created" by fusion or other means (including nuclear decay), the nucleons (the protons and neutrons that make up its nucleus) have to "make a deal" as to how they are going to get along in the tiny volume of space that the nucleus occupies. Some arrangements of protons and neutrons just "aren't right" and are unstable, and this gives rise to characterizing the isotope as being radioactive. Tritium (H-3) is one such isotope.
What is the scientific calculation of the radiation emitted from various radioactive sources?
I would expect the total radiation to be equal to the sum of the individual radiations.
What is the scientific calculation of radiation emitted from various radioactive sources is?
I would expect the total radiation to be equal to the sum of the individual radiations.
What would you expect the half life of the isotope used to date the age of earth at 4.6 billion years to be?
this is not a helpful website top work off of
Will lawrencium combine with other elements?
We would expect Lawrencium to react with other elements similar to the way scandium or yttrium do, these being in the same column of the periodic table. However, lawrencium is highly radioactive, and most of the isotopes have half-lives in the seconds; the longest lived isotope has a half-life of 40 minutes, so that doesn't give chemists much time to work with it.
What would you expect the half-life of the isotope used to date the age of Earth at 4.6 billion years used to be?
this is not a helpful website top work off of
Do you expect to find an atom with 26 protons and mass number 52 Explain your thinking?
yes, because if it has a different number of neutrons, it could just be a specific type of isotope
What is the decay rate of a radioactive isotope?
The decay rate of a specific radionuclide will depend on the quantity of the material in a sample. The more there is, the higher the decay rate. Decay rate for a specific isotope of a specific element is set by the nature of the radioisotope itself; it is an innate property or characteristic. Only by studying samples (specific quantities) containing large numbers of atoms of a given radioisotope, and by counting the number of decay events per unit of time, can we arrive at a characteristic called the half-life of that radioisotope.The half-life of a radionuclide is a statistically derived measure of the rate of its decay. And, to repeat, the rate of decay for a given radionuclide, is a natural characteristic of that radionuclide. It's the number of decays per unit of time that an observer can expect to count for a given sized sample of the material. Use the links below to gather more information.
Will radioactive isotopes cause a dark stool?
One does not usually ingest radioactive isotopes, however if one did I expect the initial effect (if you were not poisoned by the elements concerned) would be to for the radiation (alpha or beta) damage the tissues in contact with the isotopes. This would cause them to bleed and the blood would indeed cause the stool to be dark. However, that would be just the start of your problems.
Is the element hassium hazardous?
There have only been about 100 atoms of Hassium created, and the half life of the element is extremely short- so we do not know for sure. It is radioactive, and we expect it to act like other heavy metals, which are toxic.
What is the difference between expect and expect that?
what can you expect from yourself
Make five sentence with expect?
You can make a few sentences from the word expect. The 5 sentences you can make are: I expect you to do better, I expect you to have your homework, I expect you to listen to me, I expect you to do your chores and I expect you to go to sleep.
