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nuclear chemistry
for chemistry test
6
Chemistry
11th Grade
11/18/2010

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Term
Alpha particles
Definition

1.) low penetrating power

2.) + 2 charge

3.) no electrons

Term
beta particles
Definition

1.) 1/1837 amu

2.) -1 charge

3.) medium penetrating power

Term
Gamma rays
Definition

1.) electro magnestic radiation

2.) no mass

3.) no charge

4.) high penetrating power

Term
radiation
Definition

- unstable nucleus

- nucleus will at some point decay to become stable

- energy coming out of nucleus

Term
half- life
Definition
The amount of time needed for hlf of a radioactive sample to decay
Term
Natural transmutation
Definition
takes place in a naturally occuring unstable isotope when the nucleus emits particles
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