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Transcript of History
William Roentgen - discovered x-rays in 1895
Henri Becquerel - found that both uranium metal and salts of this element gave off different forms of radiation,which could pass through solids in 1896
Marie Curie - found that compounds of thorium were also radioactive in 1898
Ernest Ruther - found that there were two forms of radioactivity in 1899
Nuclear Chemistry Project
Types of Radiation
Alpha - considered as a helium nucleus
Betta - high-speed electrons emitted from the nuclei of decaying radioisotopes
Gamma - very much like a x-ray , has no charge , short wave-length
Fission vs Fusion
Nuclear Fission is the splitting of a large atom into two or more smaller ones.
Fission doesn't normally happen in nature.
Nuclear Fusion is the fusing of two or more lighter atoms into a larger one.Fusion occurs in stars, such as the sun.
They release reactions in which energy is released from high powered atomic bonds between the particles within the nucleus.
Versatility of nuclear techniques allows for a range of applications in medical diagnosis and treatment of bodily conditions.
In the U.S. alone 35,000 hospitals preform 10 million nuclear procedures each year.
Stable vs Unstable
A nuclei is stable if it has the correct amount of neutron to protons.If the amount of neutrons in the nucleus is too high or too low the nucleus is unstable and will undergo a nuclear change