Transmutation Rutherford – 1919 How is this different than radioactivity? Not a natural occurrence...
5
Transmutation • Rutherford – 1919 H O He N 1 1 17 8 4 2 14 7 How is this different than radioactivity? •Not a natural occurrence •Can be controlled – stopped or started •Two reactants instead of one •Uses bombardment by a lighter particle
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Transcript of Transmutation Rutherford – 1919 How is this different than radioactivity? Not a natural occurrence...
Transmutation
• Rutherford – 1919
H O He N 11
178
42
147
How is this different than radioactivity?
•Not a natural occurrence
•Can be controlled – stopped or started
•Two reactants instead of one•Uses bombardment by a lighter particle
Transmutation
• Chadwick - 1932
n C He Be 10
126
42
94
Transmutation
• Irene Curie and Frederick Joliot– 1st artificial radioactive isotope
n103015
42
2713 P He Al
Bombardment reactions
Write an equation for the bombardment of Bismuth-209 with an alpha particle to produce Astatine-211 (At) and several neutrons.
n1021185
42
20983 2 At He Bi
Fission Equation
Write an equation for the bombarding of the Uranium-235 with a neutron to form Krypton having 57 neutrons and Barium having 84 neutrons along with some neutrons by themselves.
nn 10
14056
9336
10
23592 3 Ba Kr U
