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The time it takes for 50 percent of the nuclei in a radioactive sample to decay to its stable isotope is called?
The time it takes for 50 percent of the nuclei in a radioactive sample to decay to its stable isotope is called the half-life of the radioactive element. It is a characteristic property of each radioactive isotope and can vary greatly among different elements.
All radioactive nuclides of an element have the same half life?
No, halflife is a bulk statistical property of a quantity of an isotope of an element.Individual nuclei do not have halflives, instead they have a probability of decaying at the current moment of time.
What is the name of the average time needed for half The nuclei and a sample of radioactive substance to undergo radioactive DS our B radioactive substance to undergo radioactive decay?
The average time needed for half of the nuclei in a sample of a radioactive substance to undergo radioactive decay is called the "half-life." This period is a characteristic property of each radioactive isotope and varies significantly between different substances. During one half-life, the quantity of the radioactive material reduces to half of its original amount.
What is it called when an isotope does not undergo radioactive decay?
When an isotope does not undergo radioactive decay, it is considered stable. Stable isotopes have a balanced ratio of protons and neutrons in their nuclei, which prevents them from emitting radiation over time.
Why does radioactive decay happen and what are the factors that influence this process?
Radioactive decay occurs when unstable atomic nuclei release energy in the form of radiation to become more stable. Factors that influence this process include the type of radioactive isotope, the amount of the isotope present, and external factors such as temperature and pressure.
Why does radioactive decay occur and what are the factors that influence this process?
Radioactive decay occurs because unstable atomic nuclei release energy in the form of radiation to become more stable. Factors that influence this process include the type of radioactive isotope, the amount of the isotope present, and external factors such as temperature and pressure.
What is the length of time it takes for one half of the nuclei of a radioactive isotope to decay?
It can vary from tiny fractions of a second to several sextillion years.
How do you calculate the activity of a radioactive sample?
The activity of a radioactive sample is calculated using the formula: Activity = λ*N, where λ is the decay constant of the isotope and N is the number of radioactive nuclei present in the sample. The unit of activity is becquerel (Bq).
Can a natural isotope be radioactive?
Yes, a natural isotope can be radioactive. Some natural isotopes have unstable nuclei and undergo radioactive decay to achieve a more stable form. This process involves the emission of radiation in the form of alpha particles, beta particles, or gamma rays.
Will the radioactive property remain in an ionic compound when a metal element is highly radioactive combined with a non-metal element which is non-radioactive?
A radioactive material is radioactive. Period. The atoms of radioactive material have unstable nuclei. If you combine them with other material, the radioactive material will remain unaffected as regards its radioactivity. Recall that radioactivity is related to the instability of atomic nuclei, and the atomic structure of atomic nuclei are (in general) not involved in chemical bonding. Chemical bonding doesn't affect the stability of the nuclei of atoms. If they are unstable, they will remain so whether the atoms are alone or chemically combined with something else.
What nuclei is not radioactive?
The stable nuclei that are not radioactive include, for example, carbon-12, oxygen-16, and neon-20. These nuclei have a balanced composition of protons and neutrons that do not undergo radioactive decay.
What characterizes a radioactive element?
A radioactive element is characterized by having unstable atomic nuclei that decay and emit radiation in the form of alpha particles, beta particles, or gamma rays. This decay process results in the transformation of the element into a different element or isotope.
