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1) Nobelium has a half-life

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
1. 4 answers
2. asked by Michele
3. 2,339 views
The half-life of the Nobelium isotope No^257 is about 23 seconds. 644 seconds (or 28 half-life periods) after the isotope was
1. 1 answer
2. asked by J
3. 672 views
Nobelium -259 has a half life of 58 min? How much remains of 1kg sample after 1 day?Use the formula. A= Aö (1/2) t/h
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2. asked by Marianne
3. 2,849 views
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
3. 215 views
What happens to the half-life of Uranium-238 if the number of U particles in the bucket is increased? What does this teach you
1. 1 answer
2. asked by pakyo
3. 49 views
What happens to the half life of carbon-14 if the number of C particles in the bucket is increased? What does this teach you
1. 1 answer
2. asked by pakyo
3. 39 views
1) Nobelium has a half-life of 1 hour. If you start with 1 kg, how much will you have by this time tomorrow?2) You have 90 g of
1. 3 answers
2. asked by kayla
3. 549 views
1) Nobelium has a half-life of 1 hour. If you start with 1 kg, how much will you have by this time tomorrow?2) You have 90 g of
1. 1 answer
2. asked by kayla
3. 495 views
What happens to the half-life of Uranium-238 if the number of U particles in the bucket is increased? What does this teach you
1. 1 answer
2. asked by freedom
3. 46 views
What happens to the half life of carbon-14 if the number of C particles in the bucket is increased?What does this teach you
1. 1 answer
2. 38 views