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Periodic Table of Elements

Pu - Plutonium

Plutonium Menu

• Plutonium Page One
  • Overview of Plutonium
  • Plutonium's Name in Other Languages
  • Atomic Structure of Plutonium
  • Chemical Properties of Plutonium
  • Physical Properties of Plutonium
  • Regulatory / Health
  • Who/When/Where/How
• Plutonium Page Two
  • Nuclides / Isotopes
  • Potential Parent Nuclides

Nuclides / Isotopes

Nuc- lide	Atomic Mass	NN	Abun %	Spin	Half Life	DM	DT	BR %	Decay Energy (MeV)
Pu228	228.0387	134	Syn	0+	<4ms		U224		7.950
Pu229	229.0401	135	Syn				U225
Pu230	230.0396	136	Syn	0+	~200s		U226	<=100	7.175
Pu231	231.041	137	Syn
Pu232	232.0412	138	Syn	0+	34.1m		Np232	80	1.060
					34.1m		U228	20	6.716
Pu233	233.043	139	Syn		20.9m		Np233	99.88	1.900
					20.9m		U229	0.12	6.420
Pu234	234.0433	140	Syn	0+	8.8h		Np234	~94	0.388
					8.8h		U230	~6	6.310
Pu235	235.0453	141	Syn	5/2+	25.3m		U231	0.0027	6.000
					25.3m		Np235		1.170
Pu236	236.0461	142	Syn	0+	2.858y	SF		1.4E -7
					2.858y		U232		5.867
Pu237	237.0484	143	Syn	7/2-	45.2d		U233	0.0042	5.750
					45.2d		Np237		0.220
meta state 0.146MeV			Syn	1/2+	0.18s	IT
meta state 2.600MeV			Syn		85ns	SF		<=100
meta state 2.900MeV			Syn		1.1us	SF		<=100
Pu238	238.0496	144	Syn	0+	87.7y	SF		1.9E -7
					87.7y		U234		5.593
meta state 2.400MeV			Syn		0.6ns	SF		<=100
meta state 3.500MeV			Syn	0+	6ns	SF		<=100
Pu239	239.0522	145	Syn	1/2+	24110y	SF		3E -10
					24110y		U235		5.245
Pu240	240.0538	146	Syn	0+	6563y	SF		5.7E -6
					6563y		U236		5.256
meta state 2.800MeV			Syn	0+	3.7ns	SF		>0
Pu241	241.0569	147	Syn	5/2+	14.35y		U237	0.0025	5.140
					14.35y	SF		<2.E -14
					14.35y	-	Am241		0.021
meta state 2.200MeV			Syn		21us	SF
Pu242	242.0587	148	Syn	0+	373300y	SF		0.00055
					373300y		U238		4.984
Pu243	243.062	149	Syn	7/2+	4.956h	-	Am234		0.528
Pu244	244.0642	150	100	0+8	8.08E 7y		U240	99.88	4.666
					8.08E 7y	SF		0.12
meta state 0.000MeV			Syn	0+	400ps	SF		<=100
Pu245	245.0677	151	Syn	9/2-	10.5h	-	Am245		1.205
Pu246	246.0702	152	Syn	0+	10.84d	-	Am246		0.401
Pu247	247.074	153	Syn		2.27d	-	Am247

Plutonium Menu

• Plutonium Page One
  • Overview of Plutonium
  • Plutonium's Name in Other Languages
  • Atomic Structure of Plutonium
  • Chemical Properties of Plutonium
  • Physical Properties of Plutonium
  • Regulatory / Health
  • Who/When/Where/How
• Plutonium Page Two
  • Nuclides / Isotopes
  • Potential Parent Nuclides

References

A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

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Kenneth Barbalace. Periodic Table of Elements - Pu - Plutonium. EnvironmentalChemistry.com. 1995 - 2024. Accessed on-line: 12/21/2024
https://EnvironmentalChemistry.com/yogi/periodic/Pu-pg2.html
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