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The isotope nobelium-259 has a

The isotope nobelium-259 has a half-life of 58min. How much of the isotopes will remain of a 2 kg sample after 1 day?
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2. asked by Janet
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The half-life of the Nobelium isotope No^257 is about 23 seconds. 644 seconds (or 28 half-life periods) after the isotope was
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2. asked by J
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A 1.00x10-6g sample of nobelium- 254, has a half-life of 55 seconds after it is formed. What is the percentage of nobelium-254
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2. asked by Michele
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HiI am working on a question which discusses ununhexium atomic number 116 atom weight 292. This isotope undergoes 7 alpha decay
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2. asked by Atom ant
3. 577 views
Which heavy element is used typically in nuclear fission?(1 point)Responses lead lead polonium polonium nobelium nobelium
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2. 33 views
Which heavy element is used typically in nuclear fission?(1 point)Responses nobelium nobelium lead lead uranium uranium polonium
1. 1 answer
2. 56 views
A rare isotope of a nuclear material is very unstable, decaying at a rate of 12% each second. Find how much isotope remains
1. 3 answers
2. 203 views
A rare isotope of a nuclear material is very unstable, decaying at a rate of 13% each second. Find how much isotope
1. 1 answer
2. 99 views
Consider the isotope arsenic-76How many protons are in an atom of this isotope? 33 What is the mass number of this isotope? 76
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2. asked by Anonymous
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Consider an isotope with 38 electrons, an atomic number of 39, and a mass number of 86. Answer the following questions:a. How
1. 1 answer
2. 153 views