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Is lutetium radioactive?
For most practical purposes, lutetium can be regarded as stable, though it is slightly radioactive. 97.41% of lutetium found in nature is stable, and 2.59% is of an isotope with a half life of 37,800,000,000 years. Like all other elements, lutetium has synthetic radioactive isotopes.
What isotope of uranium has less than 3 neutrons?
None, no element beyond lithium can have a stable isotope with as few as 3 neutrons. If by some happenstance a uranium nucleus did form with as few as 3 neutrons (this would be U95) it would instantly burst apart in a flash of protons before it could even be detected.
Is terbium radioactive?
Nearly all, 99.988%, of tantalum found in nature is stable. The natural radioactive isotope, 180mTa, accounts for 0.012% of it, and is believed to have a very long half life of about 1,200,000,000,000,000 years. Like all elements, tantalum has synthetic radioactive isotopes.
When does an unstable isotope break down into a stable isotope?
The process is called decay, or sometimes nuclear decay. A link can be found below.
What did Becquerel discovered from uranium?
He found that uranium is radioactive. Uranium is in the f block. Atomic number of it is 92.
How many neutrons are found in a stable isotope of uranium-235?
A stable isotope of uranium-235 contains 143 neutrons.
Is lutetium radioactive?
For most practical purposes, lutetium can be regarded as stable, though it is slightly radioactive. 97.41% of lutetium found in nature is stable, and 2.59% is of an isotope with a half life of 37,800,000,000 years. Like all other elements, lutetium has synthetic radioactive isotopes.
What isotope of uranium has less than 3 neutrons?
None, no element beyond lithium can have a stable isotope with as few as 3 neutrons. If by some happenstance a uranium nucleus did form with as few as 3 neutrons (this would be U95) it would instantly burst apart in a flash of protons before it could even be detected.
Is terbium radioactive?
Nearly all, 99.988%, of tantalum found in nature is stable. The natural radioactive isotope, 180mTa, accounts for 0.012% of it, and is believed to have a very long half life of about 1,200,000,000,000,000 years. Like all elements, tantalum has synthetic radioactive isotopes.
Is the element Potassium stable or radioactive?
99.996% of calcium found in nature is not radioactive. 0.004% of natural calcium is radioactive 46Ca, and there are also trace quantities of radioactive 41Ca found naturally. Like all other elements, calcium has synthetic radioactive isotopes.The calcium you deal with in every day life is not, no. Some isotopes are, but they are not found in natural calcium deposits
Which isotope of argon is most commonly found?
Argon-40 is the most commonly found isotope of argon on Earth, with a natural abundance of about 99.6%. This isotope is stable and is produced from the radioactive decay of potassium-40 in the Earth's crust.
When does an unstable isotope break down into a stable isotope?
The process is called decay, or sometimes nuclear decay. A link can be found below.
What did Becquerel discovered from uranium?
He found that uranium is radioactive. Uranium is in the f block. Atomic number of it is 92.
Is uranium and radium produced from radioactive elements?
Uranium and radium, and a number of others, are natural elements found in the ground, and they are radioactive.
What is the natural form of uranium?
Uranium is extracted as U3O8, an oxide known as yellowcake.Uranium may also be present in water as the UO22+ uranyl cation.Most uranium is U-238, which has a half-life of 4.5 billion years.---------Uranium has about 200 minerals. See for some examples: http://www.webmineral.com/chem/Chem-U.shtmlThe yellowcake is the ammonium diuranate (NH4)2 U2O7 (yellow colour); U3O8 (triuraniumoctaoxyde) is black.Uranium is a chemical element, natural, radioactive, solid, metal.
Is uranium 238 a natural element?
yes, it was formed in supernova explosions that occurred before the formation of the solar system
A specimen is found to have 3 atoms of a radioactive isotope for every 9 atoms of the stable decay product The radioactive material has a half-life of 2500 years how old is the specimen?
5000 years old
