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physical object > natural object > collection of particles > phase of matter > solid > metal > actinide > transuranium element > americium

americium comparison table

Subject	has nuclear spin	has specimen	has number of neutron	has magnetogyric ratio	has number of nucleon	has synthesis mechanism	has half life	has NMR frequency	has nuclear magnetic moment	has nuclear quadrupole moment	has symbol	has use	has atomic mass
americium 237	I = 5/2-		142		237		1.22 hours				237Am	source of radiation for γ-radiotherapy	237.050050
americium 238	I = 1+		143		238		1.63 hours				238Am	source of radiation for γ-radiotherapy	238.051980
americium 239	I = 5/2-		144		239		11.9 hours				239Am	source of radiation for γ-radiotherapy	239.053016
americium 240	I = 3-		145		240		2.12 days				240Am	source of radiation for γ-radiotherapy	240.055278
americium 241	I = 5/2-	commercially available, under licence	146		241	241Pu subjected to neutron bombardment over a period of years	432.2 years		μ = 1.61		241Am	research, medical therapy, medical diagnosis	241.056823
americium 242	I = 1-		147		242				μ = +0.388		242Am	source of radiation for γ-radiotherapy	242.056541
americium 242m	I = 5-		147		242		141 years		μ = 1.0		242mAm	source of radiation for γ-radiotherapy
americium 243	I = 5/2-	commercially available, under licence	148	1.54 × 107 rad T-1 s-1	243	239Pu subjected to neutron bombardment	7370 years	5.76 MHz where 1H = 100 MHz; 2.3488 T	μ = 1.61	+4.210 × 10-28 m2	243Am	research, Nuclear Magnetic Resonance	243.061375
americium 244			149		244		10.0 hours				244Am	source of radiation for γ-radiotherapy	244.064279
americium 245	I = 5/2+		150		245		2.05 hours				245Am	source of radiation for γ-radiotherapy	245.066444

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