Essays Tagged: "Half-life"
Human Evolution and the Fossil Record
esent allows for a date to be assigned to objects near the sample. However, due to potassium's high half-life (1.3 billion years), it is only useful as a dating technique for finds older than 500,000 ...
Subjects: Science Essays > Earth Sciences > Geology & Geosciences
Radiocarbon Dating: Merits and Drawbacks.
dioisotope dating methods, such as potassium-argon and uranium-238. Because of its relatively short half-life, radiocarbon dating has been most useful to archaeology (geology requiring a much larger t ... cays into stable nitrogen. This gives us a clock that starts ticking the moment something dies. The half-life of a radioactive substance is defined as the time it takes for a set amount of radioactive ...
Subjects: Science Essays > Archaeology
Nuclear Power, Is it safe?
from these shattered stars aggregated together to form ourplanet. Uranium-238 has an extremely long half-life (4.5 billion years) and,therefore, is still present in fairly large quantities. U-238 make ...
Subjects: Law & Government Essays > Military & International Conflicts & Security
Iron- about its elemental properties and history of the metal.
on the fourth. It has a relatively average number of energy levels. The following is a list of the half-life for different isotopes. As it shows on the list it has extremely stable nuclei.Isotope Hal ...
Subjects: Science Essays > Earth Sciences > Geology & Geosciences
Information on the radioisotope: Cobalt 60 used in medicine and in industry
, which is very unstable and decays into nickel 60.c) How does the radioisotope decay and state its half-life.Cobalt-60 undergoes radioactive decay with the emission of beta particles and strong gamma ... of beta particles and strong gamma radiation. It ultimately decays to non-radioactive nickel with a half-life of 5.24 years.d) Identify those properties of the radioisotopes that make it suitable for ...
Subjects: Science Essays > Chemistry
The Decaying Of Radioactive Isotopes
y decay at a rate that is characteristic to the isotope. The rate of decay is a fixed rate called a half-life. The half-life of a radioisotope describes how long it takes for half of the atoms in a gi ...
Subjects: Science Essays > Chemistry
Carbon Dating
mputer generated image of what he might have looked like. BIBLIOGRAPHY http://en.wikipedia.org/wiki/Half-life http://en.wikipedia.org/wiki/Radiocarbon_dating http://hyperphysics.phy-astr.gsu.edu/hbase ...
Subjects: Science Essays > Chemistry