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Nuclear decay in general is not predictable
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Radiometric dating is possible because the rates of decay of radioactive isotopes .?
Are constant
What is the difference between nuclear decay and nuclear transformation reactions?
nuclear decay rates take more time and chemical reaction rates could happen fast.
Which of the following statements is true Chemical reaction rates vary with the conditions of the change but nuclear rates do not Nuclear decay rates vary with the condition?
"Chemical reaction rates vary with the conditions of the change but nuclear rates do not."
Are the rates of absorption and diffusion constant for all molecules?
no, the rates are different depending on the size of the molecule, the permeability of the membrane, the concentration gradient etc etc.
What of the use of isotopes in archeology?
One would use radioactive isotopes as to measure decay rates in an ancient piece (e.g. rock) to estimate its age. e.g. carbon dating
Why are radioactive materials used to date rocks rocks?
Radioactive materials decay at predictable rates
Which statement describes the differences between chemical reactions and nuclear decay rates?
Nuclear decay rates vary, but chemical reaction rates are constant
Are nuclear decay rates constant?
Yes, for any specific isotope they are fixed constant.
Radiometric dating is possible because the rates of decay of radioactive isotopes .?
Are constant
Radiometric dating is possible because the rates of decay of radioactive isotopes?
Radiometric dating is possible because the rates of decay of radioactive isotopes are constant and predictable over time. By measuring the amount of remaining parent and daughter isotopes in a sample, scientists can determine the age of the sample.
How do researchers use isotopes to understand Earth's history?
Isotopes decay (half-life) at different, predictable rates. Mathematical formulae have been worked out to show how the percentage of decay in known isotopes can date a particular specimen.
Do all radioactive isotopes follow the half-life single rate or are there those that decay at multiple rates throughout their decay?
In general, a radioactive substance decays at a constant rate throughout time. That is not to say that the same number of decays occur per unit time. They cannot, and this is because the sample is shrinking as radioactive decay "claims" more and more of it. The decays per second is decreasing. But the rate of decay remains constant. There are some instances where slight changes in decay rates of a couple of different radioactive substances occur when we put them in extreme magnetic fields. But, by and large, the decay rates of radionuclides are constant. Additionally, we've gone to great lengths in an attempt to induce changes in the decay rates of a number of radionuclides, but they've proved themselves sublimely resistant to any manipulation by the likes of us, even as clever as we are.
How nuclear decay rates different from chemical reaction rates?
nuclear decay rates take more time and chemical reaction rates could happen fast.
What is the difference between nuclear decay and nuclear transformation reactions?
nuclear decay rates take more time and chemical reaction rates could happen fast.
Will the exchange rate get better?
Currency exchange rates are tied to the economies of the respective governments that print each currency. They are only predictable as far as those economies are predictable.
Whose scientific discoveries are the law of the pendulum and the fact that falling objects accelerate at fixed and predictable rates?
Galileo
Which of the following statements is true Chemical reaction rates vary with the conditions of the change but nuclear rates do not Nuclear decay rates vary with the condition?
"Chemical reaction rates vary with the conditions of the change but nuclear rates do not."
