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