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Strontium-90 (90Sr) is a radioactive isotope of strontium, with a half life of 28,79 years.

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13y ago
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4mo ago

The half-life of strontium-90 is about 29 years. This means that it takes 29 years for half of the original amount of strontium-90 in a sample to decay into other elements.

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13y ago

The half-life of Strontium-90 is 28.9 years, decaying by beta- to Yttrium-90.

3890Sr --> beta- --> 3990Y + (W- --> e- + v-e)

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Q: What is the half-life strontium 90?
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Related questions

How much neutrons does strontium 90 have?

Number of Neutrons = Mass number - atomic number = 90 - 38 = 52


How many electrons are there in one atom of Strontium-90?

One atom of Strontium-90 contains 38 electrons.


What is the product of a beta emission from strontium-90?

The product of beta emission from strontium-90 is yttrium-90. During beta decay, a neutron in the strontium-90 nucleus is converted into a proton, leading to the formation of yttrium-90.


Is strontium radioactive?

There are different isotopes of strontium. While some isotopes of strontium are stable and non-radioactive (e.g., strontium-88), other isotopes are radioactive (e.g., strontium-90). Strontium-90 is considered a hazardous radioactive isotope because it can be absorbed by the body and increase the risk of cancer.


Will strontium 90 show up in blood?

Yes, strontium-90 can be detected in blood samples through laboratory testing. Strontium-90 is a radioactive isotope that can accumulate in bone as well as other tissues, including blood, after exposure to radioactive sources. Detection of strontium-90 in blood can indicate recent or ongoing exposure to radioactive contamination.


How is strontium-90 produced?

is strotium-90 a solid liquid or gas


Which type of radiation does strontium-90 emit?

Strontium-90 emits beta radiation when it decays. Beta radiation consists of fast-moving electrons.


How much does strontium-90 cost?

The cost of strontium-90 can vary depending on the source and quantity. As of 2021, it can range from a few hundred to several thousand dollars per millicurie.


How many protons and neutrons does Strontium-90 have?

All molecules of Strontium have the same number of protons, 38.


What is strontium 90 limit in water by USPH standards?

10 pc/L


What type of radiation is given off by strontium 90?

It emits Beta radiation.


What element's isotope of mass 90 is formed when sr-90 emits beta particles?

Yttrium-90 is formed when strontium-90 emits beta particles. This is because the decay of strontium-90 involves the transformation of one of its neutrons into a proton, resulting in the element yttrium with a mass number of 90.