





Number of Energy Levels: 7

First Energy Level: 2

Second Energy Level: 8

Third Energy Level: 18

Fourth Energy Level: 32

Fifth Energy Level: 25

Sixth Energy Level: 8

Seventh Energy Level: 2

Isotope Half Life Am-240 2.1 days Am-241 432.7 years Am-242 16.0 hours Am-242m 141.0 years Am-243 7370.0 years Am-244 10.1 hours Am-245 2.1 hours Am-246 39.0 minutes

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