Table of nuclides (complete)

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For an overview of available representations, see Table of nuclides.

The isotope table below shows isotopes of the chemical elements, including all with half-life of at least one day.¹ They are arranged with increasing atomic numbers (proton numbers) from left to right and increasing neutron numbers from top to bottom.

Cell colour denotes the half-life of each isotope; if a border is present, its colour indicates the half-life of the most stable nuclear isomer. If you’ve scrolled so the colour legend is not in view, allowing your cursor to dwell over a cell will cause a pop-up text box to indicate that isotope’s half-life. If a cell has a white or yellow border, dwelling over it will also disclose the half-life of the most stable nuclear isomer state.

Isotope table

**Half-lives** (example: Gd)
¹⁴⁵Gd	< 1 day
¹⁴⁶Gd	1–10 days
¹⁴⁹Gd	10–100 days
¹⁵³Gd	100d–10 years
¹⁴⁸Gd	10–10,000 years
¹⁵⁰Gd	10k–103m years
¹⁵²Gd	> 700m years
¹⁵⁸Gd	Stable

Z →	0	1	2
n ↓	n	H	He	3	4
0		¹H	²He	Li	Be	5	6
1	¹n	²H	³He	⁴Li	⁵Be	B	C	7
2	²n	³H	⁴He	⁵Li	⁶Be	⁷B	⁸C	N	8
3		⁴H	⁵He	⁶Li	⁷Be	⁸B	⁹C	¹⁰N	O	9
4	⁴n	⁵H	⁶He	⁷Li	⁸Be	⁹B	¹⁰C	¹¹N	¹²O	F	10
5		⁶H	⁷He	⁸Li	⁹Be	¹⁰B	¹¹C	¹²N	¹³O	¹⁴F	Ne	11
6		⁷H	⁸He	⁹Li	¹⁰Be	¹¹B	¹²C	¹³N	¹⁴O	¹⁵F	¹⁶Ne	Na	12
		7	⁹He	¹⁰Li	¹¹Be	¹²B	¹³C	¹⁴N	¹⁵O	¹⁶F	¹⁷Ne	¹⁸Na	Mg	13
		8	¹⁰He	¹¹Li	¹²Be	¹³B	¹⁴C	¹⁵N	¹⁶O	¹⁷F	¹⁸Ne	¹⁹Na	²⁰Mg	Al	14
			9	¹²Li	¹³Be	¹⁴B	¹⁵C	¹⁶N	¹⁷O	¹⁸F	¹⁹Ne	²⁰Na	²¹Mg	²²Al	Si	15
				10	¹⁴Be	¹⁵B	¹⁶C	¹⁷N	¹⁸O	¹⁹F	²⁰Ne	²¹Na	²²Mg	²³Al	²⁴Si	P	16
					11	¹⁶B	¹⁷C	¹⁸N	¹⁹O	²⁰F	²¹Ne	²²Na	²³Mg	²⁴Al	²⁵Si	²⁶P	S	17
						12	¹⁸C	¹⁹N	²⁰O	²¹F	²²Ne	²³Na	²⁴Mg	²⁵Al	²⁶Si	²⁷P		Cl	18
							13	²⁰N	²¹O	²²F	²³Ne	²⁴Na	²⁵Mg	²⁶Al	²⁷Si	²⁸P	²⁹S		Ar	19
								14	²²O	²³F	²⁴Ne	²⁵Na	²⁶Mg	²⁷Al	²⁸Si	²⁹P	³⁰S	³¹Cl		K	20
									15	²⁴F	²⁵Ne	²⁶Na	²⁷Mg	²⁸Al	²⁹Si	³⁰P	³¹S	³²Cl	³³Ar		Ca
										16	²⁶Ne	²⁷Na	²⁸Mg	²⁹Al	³⁰Si	³¹P	³²S	³³Cl	³⁴Ar	³⁵K		21
											17	²⁸Na	²⁹Mg	³⁰Al	³¹Si	³²P	³³S	³⁴Cl	³⁵Ar	³⁶K	³⁷Ca	Sc	22
												18	³⁰Mg	³¹Al	³²Si	³³P	³⁴S	³⁵Cl	³⁶Ar	³⁷K	³⁸Ca		Ti	23
													19	³²Al	³³Si	³⁴P	³⁵S	³⁶Cl	³⁷Ar	³⁸K	³⁹Ca	⁴⁰Sc	⁴¹Ti	V	24
														20	³⁴Si	³⁵P	³⁶S	³⁷Cl	³⁸Ar	³⁹K	⁴⁰Ca	⁴¹Sc	⁴²Ti		Cr	25
															21	³⁶P	³⁷S	³⁸Cl	³⁹Ar	⁴⁰K	⁴¹Ca	⁴²Sc	⁴³Ti	⁴⁴V	⁴⁵Cr	Mn	26
																22	³⁸S	³⁹Cl	⁴⁰Ar	⁴¹K	⁴²Ca	⁴³Sc	⁴⁴Ti	⁴⁵V	⁴⁶Cr		Fe	27
																	23	⁴⁰Cl	⁴¹Ar	⁴²K	⁴³Ca	⁴⁴Sc	⁴⁵Ti	⁴⁶V	⁴⁷Cr	⁴⁸Mn	⁴⁹Fe	Co	28
																	24	⁴¹Cl	⁴²Ar	⁴³K	⁴⁴Ca	⁴⁵Sc	⁴⁶Ti	⁴⁷V	⁴⁸Cr	⁴⁹Mn	⁵⁰Fe	⁵¹Co	Ni	29
																	25	⁴²Cl	⁴³Ar	⁴⁴K	⁴⁵Ca	⁴⁶Sc	⁴⁷Ti	⁴⁸V	⁴⁹Cr	⁵⁰Mn	⁵¹Fe	⁵²Co	⁵³Ni	Cu	30
																	26	⁴³Cl	⁴⁴Ar	⁴⁵K	⁴⁶Ca	⁴⁷Sc	⁴⁸Ti	⁴⁹V	⁵⁰Cr	⁵¹Mn	⁵²Fe	⁵³Co	⁵⁴Ni	⁵⁵Cu	Zn
																	27	⁴⁴Cl	⁴⁵Ar	⁴⁶K	⁴⁷Ca	⁴⁸Sc	⁴⁹Ti	⁵⁰V	⁵¹Cr	⁵²Mn	⁵³Fe	⁵⁴Co	⁵⁵Ni	⁵⁶Cu	⁵⁷Zn
																		28	⁴⁶Ar	⁴⁷K	⁴⁸Ca	⁴⁹Sc	⁵⁰Ti	⁵¹V	⁵²Cr	⁵³Mn	⁵⁴Fe	⁵⁵Co	⁵⁶Ni	⁵⁷Cu	⁵⁸Zn
																			29	⁴⁸K	⁴⁹Ca	⁵⁰Sc	⁵¹Ti	⁵²V	⁵³Cr	⁵⁴Mn	⁵⁵Fe	⁵⁶Co	⁵⁷Ni	⁵⁸Cu	⁵⁹Zn
																				30	⁵⁰Ca	⁵¹Sc	⁵²Ti	⁵³V	⁵⁴Cr	⁵⁵Mn	⁵⁶Fe	⁵⁷Co	⁵⁸Ni	⁵⁹Cu	⁶⁰Zn
																					31		⁵³Ti	⁵⁴V	⁵⁵Cr	⁵⁶Mn	⁵⁷Fe	⁵⁸Co	⁵⁹Ni	⁶⁰Cu	⁶¹Zn	31
																						32		⁵⁵V	⁵⁶Cr	⁵⁷Mn	⁵⁸Fe	⁵⁹Co	⁶⁰Ni	⁶¹Cu	⁶²Zn	Ga	32
																							33		⁵⁷Cr	⁵⁸Mn	⁵⁹Fe	⁶⁰Co	⁶¹Ni	⁶²Cu	⁶³Zn	⁶⁴Ga	Ge	33
																								34		⁵⁹Mn	⁶⁰Fe	⁶¹Co	⁶²Ni	⁶³Cu	⁶⁴Zn	⁶⁵Ga	⁶⁶Ge	As
																									35		⁶¹Fe	⁶²Co	⁶³Ni	⁶⁴Cu	⁶⁵Zn	⁶⁶Ga	⁶⁷Ge	⁶⁸As	34
																									36		⁶²Fe	⁶³Co	⁶⁴Ni	⁶⁵Cu	⁶⁶Zn	⁶⁷Ga	⁶⁸Ge	⁶⁹As	Se
																										37		⁶⁴Co	⁶⁵Ni	⁶⁶Cu	⁶⁷Zn	⁶⁸Ga	⁶⁹Ge	⁷⁰As	⁷¹Se	35
																											38		⁶⁶Ni	⁶⁷Cu	⁶⁸Zn	⁶⁹Ga	⁷⁰Ge	⁷¹As	⁷²Se	Br	36
																											39		⁶⁷Ni	⁶⁸Cu	⁶⁹Zn	⁷⁰Ga	⁷¹Ge	⁷²As	⁷³Se	⁷⁴Br	Kr	37
																											40		⁶⁸Ni	⁶⁹Cu	⁷⁰Zn	⁷¹Ga	⁷²Ge	⁷³As	⁷⁴Se	⁷⁵Br	⁷⁶Kr	Rb	38
																												41		⁷⁰Cu	⁷¹Zn	⁷²Ga	⁷³Ge	⁷⁴As	⁷⁵Se	⁷⁶Br	⁷⁷Kr	⁷⁸Rb	Sr	39
																													42		⁷²Zn	⁷³Ga	⁷⁴Ge	⁷⁵As	⁷⁶Se	⁷⁷Br	⁷⁸Kr	⁷⁹Rb	⁸⁰Sr	Y	40
																													43		⁷³Zn	⁷⁴Ga	⁷⁵Ge	⁷⁶As	⁷⁷Se	⁷⁸Br	⁷⁹Kr	⁸⁰Rb	⁸¹Sr	⁸²Y	Zr	41
																														44	⁷⁴Zn	⁷⁵Ga	⁷⁶Ge	⁷⁷As	⁷⁸Se	⁷⁹Br	⁸⁰Kr	⁸¹Rb	⁸²Sr	⁸³Y	⁸⁴Zr	Nb	42
																														45	⁷⁵Zn	⁷⁶Ga	⁷⁷Ge	⁷⁸As	⁷⁹Se	⁸⁰Br	⁸¹Kr	⁸²Rb	⁸³Sr	⁸⁴Y	⁸⁵Zr	⁸⁶Nb	Mo	43
																																	46	⁷⁹As	⁸⁰Se	⁸¹Br	⁸²Kr	⁸³Rb	⁸⁴Sr	⁸⁵Y	⁸⁶Zr	⁸⁷Nb	⁸⁸Mo	Tc	44
																																	47	⁸⁰As	⁸¹Se	⁸²Br	⁸³Kr	⁸⁴Rb	⁸⁵Sr	⁸⁶Y	⁸⁷Zr	⁸⁸Nb	⁸⁹Mo	⁹⁰Tc	Ru	45
																																	48	⁸¹As	⁸²Se	⁸³Br	⁸⁴Kr	⁸⁵Rb	⁸⁶Sr	⁸⁷Y	⁸⁸Zr	⁸⁹Nb	⁹⁰Mo	⁹¹Tc	⁹²Ru	Rh	46
																																	49	⁸²As	⁸³Se	⁸⁴Br	⁸⁵Kr	⁸⁶Rb	⁸⁷Sr	⁸⁸Y	⁸⁹Zr	⁹⁰Nb	⁹¹Mo	⁹²Tc	⁹³Ru		Pd	47
																																	50	⁸³As	⁸⁴Se	⁸⁵Br	⁸⁶Kr	⁸⁷Rb	⁸⁸Sr	⁸⁹Y	⁹⁰Zr	⁹¹Nb	⁹²Mo	⁹³Tc	⁹⁴Ru	⁹⁵Rh		Ag	48
																																		51	⁸⁵Se	⁸⁶Br	⁸⁷Kr	⁸⁸Rb	⁸⁹Sr	⁹⁰Y	⁹¹Zr	⁹²Nb	⁹³Mo	⁹⁴Tc	⁹⁵Ru	⁹⁶Rh	⁹⁷Pd		Cd
																																			52	⁸⁷Br	⁸⁸Kr	⁸⁹Rb	⁹⁰Sr	⁹¹Y	⁹²Zr	⁹³Nb	⁹⁴Mo	⁹⁵Tc	⁹⁶Ru	⁹⁷Rh	⁹⁸Pd	⁹⁹Ag	¹⁰⁰Cd	49
																																				53	⁸⁹Kr	⁹⁰Rb	⁹¹Sr	⁹²Y	⁹³Zr	⁹⁴Nb	⁹⁵Mo	⁹⁶Tc	⁹⁷Ru	⁹⁸Rh	⁹⁹Pd	¹⁰⁰Ag	¹⁰¹Cd	In	50
																																					54	⁹¹Rb	⁹²Sr	⁹³Y	⁹⁴Zr	⁹⁵Nb	⁹⁶Mo	⁹⁷Tc	⁹⁸Ru	⁹⁹Rh	¹⁰⁰Pd	¹⁰¹Ag	¹⁰²Cd		Sn	51
																																						55	⁹³Sr	⁹⁴Y	⁹⁵Zr	⁹⁶Nb	⁹⁷Mo	⁹⁸Tc	⁹⁹Ru	¹⁰⁰Rh	¹⁰¹Pd	¹⁰²Ag	¹⁰³Cd	¹⁰⁴In		Sb	52
																																							56	⁹⁵Y	⁹⁶Zr	⁹⁷Nb	⁹⁸Mo	⁹⁹Tc	¹⁰⁰Ru	¹⁰¹Rh	¹⁰²Pd	¹⁰³Ag	¹⁰⁴Cd				Te	53
																																							57	⁹⁶Y	⁹⁷Zr	⁹⁸Nb	⁹⁹Mo	¹⁰⁰Tc	¹⁰¹Ru	¹⁰²Rh	¹⁰³Pd	¹⁰⁴Ag	¹⁰⁵Cd	¹⁰⁶In	¹⁰⁷Sn		¹⁰⁹Te	I	54
																																							58	⁹⁷Y	⁹⁸Zr	⁹⁹Nb	¹⁰⁰Mo	¹⁰¹Tc	¹⁰²Ru	¹⁰³Rh	¹⁰⁴Pd	¹⁰⁵Ag	¹⁰⁶Cd	¹⁰⁷In	¹⁰⁸Sn				Xe	55
																																							59	⁹⁸Y	⁹⁹Zr	¹⁰⁰Nb	¹⁰¹Mo	¹⁰²Tc	¹⁰³Ru	¹⁰⁴Rh	¹⁰⁵Pd	¹⁰⁶Ag	¹⁰⁷Cd	¹⁰⁸In	¹⁰⁹Sn	¹¹⁰Sb	¹¹¹Te		¹¹³Xe	Cs
																																							60	⁹⁹Y	¹⁰⁰Zr	¹⁰¹Nb	¹⁰²Mo	¹⁰³Tc	¹⁰⁴Ru	¹⁰⁵Rh	¹⁰⁶Pd	¹⁰⁷Ag	¹⁰⁸Cd	¹⁰⁹In	¹¹⁰Sn	¹¹¹Sb	¹¹²Te				56
																																							61	¹⁰⁰Y	¹⁰¹Zr	¹⁰²Nb	¹⁰³Mo	¹⁰⁴Tc	¹⁰⁵Ru	¹⁰⁶Rh	¹⁰⁷Pd	¹⁰⁸Ag	¹⁰⁹Cd	¹¹⁰In	¹¹¹Sn	¹¹²Sb	¹¹³Te		¹¹⁵Xe	¹¹⁶Cs	Ba
																																								62	¹⁰²Zr	¹⁰³Nb	¹⁰⁴Mo	¹⁰⁵Tc	¹⁰⁶Ru	¹⁰⁷Rh	¹⁰⁸Pd	¹⁰⁹Ag	¹¹⁰Cd	¹¹¹In	¹¹²Sn	¹¹³Sb	¹¹⁴Te	¹¹⁵I	¹¹⁶Xe	¹¹⁷Cs
																																									63	¹⁰⁴Nb	¹⁰⁵Mo	¹⁰⁶Tc	¹⁰⁷Ru	¹⁰⁸Rh	¹⁰⁹Pd	¹¹⁰Ag	¹¹¹Cd	¹¹²In	¹¹³Sn	¹¹⁴Sb	¹¹⁵Te	¹¹⁶I	¹¹⁷Xe	¹¹⁸Cs	¹¹⁹Ba	57
																																										64	¹⁰⁶Mo	¹⁰⁷Tc	¹⁰⁸Ru	¹⁰⁹Rh	¹¹⁰Pd	¹¹¹Ag	¹¹²Cd	¹¹³In	¹¹⁴Sn	¹¹⁵Sb	¹¹⁶Te	¹¹⁷I	¹¹⁸Xe	¹¹⁹Cs		La
																																											65	¹⁰⁸Tc	¹⁰⁹Ru	¹¹⁰Rh	¹¹¹Pd	¹¹²Ag	¹¹³Cd	¹¹⁴In	¹¹⁵Sn	¹¹⁶Sb	¹¹⁷Te	¹¹⁸I	¹¹⁹Xe	¹²⁰Cs	¹²¹Ba
																																												66	¹¹⁰Ru	¹¹¹Rh	¹¹²Pd	¹¹³Ag	¹¹⁴Cd	¹¹⁵In	¹¹⁶Sn	¹¹⁷Sb	¹¹⁸Te	¹¹⁹I	¹²⁰Xe	¹²¹Cs	¹²²Ba
																																													67	¹¹²Rh	¹¹³Pd	¹¹⁴Ag	¹¹⁵Cd	¹¹⁶In	¹¹⁷Sn	¹¹⁸Sb	¹¹⁹Te	¹²⁰I	¹²¹Xe	¹²²Cs	¹²³Ba		58
																																														68	¹¹⁴Pd	¹¹⁵Ag	¹¹⁶Cd	¹¹⁷In	¹¹⁸Sn	¹¹⁹Sb	¹²⁰Te	¹²¹I	¹²²Xe	¹²³Cs	¹²⁴Ba	¹²⁵La	Ce
																																															69	¹¹⁶Ag	¹¹⁷Cd	¹¹⁸In	¹¹⁹Sn	¹²⁰Sb	¹²¹Te	¹²²I	¹²³Xe	¹²⁴Cs	¹²⁵Ba	¹²⁶La
																																															70	¹¹⁷Ag	¹¹⁸Cd	¹¹⁹In	¹²⁰Sn	¹²¹Sb	¹²²Te	¹²³I	¹²⁴Xe	¹²⁵Cs	¹²⁶Ba	¹²⁷La		59
																																															71	¹¹⁸Ag	¹¹⁹Cd	¹²⁰In	¹²¹Sn	¹²²Sb	¹²³Te	¹²⁴I	¹²⁵Xe	¹²⁶Cs	¹²⁷Ba	¹²⁸La	¹²⁹Ce	Pr	60
																																															72	¹¹⁹Ag	¹²⁰Cd	¹²¹In	¹²²Sn	¹²³Sb	¹²⁴Te	¹²⁵I	¹²⁶Xe	¹²⁷Cs	¹²⁸Ba	¹²⁹La	¹³⁰Ce		Nd
																																															73	¹²⁰Ag	¹²¹Cd	¹²²In	¹²³Sn	¹²⁴Sb	¹²⁵Te	¹²⁶I	¹²⁷Xe	¹²⁸Cs	¹²⁹Ba	¹³⁰La	¹³¹Ce	¹³²Pr		61	62	63
																																															74	¹²¹Ag	¹²²Cd	¹²³In	¹²⁴Sn	¹²⁵Sb	¹²⁶Te	¹²⁷I	¹²⁸Xe	¹²⁹Cs	¹³⁰Ba	¹³¹La	¹³²Ce	¹³³Pr	¹³⁴Nd	Pm	Sm	Eu
																																															75	¹²²Ag	¹²³Cd	¹²⁴In	¹²⁵Sn	¹²⁶Sb	¹²⁷Te	¹²⁸I	¹²⁹Xe	¹³⁰Cs	¹³¹Ba	¹³²La	¹³³Ce	¹³⁴Pr	¹³⁵Nd		¹³⁷Sm		64
																																															76	¹²³Ag	¹²⁴Cd	¹²⁵In	¹²⁶Sn	¹²⁷Sb	¹²⁸Te	¹²⁹I	¹³⁰Xe	¹³¹Cs	¹³²Ba	¹³³La	¹³⁴Ce	¹³⁵Pr	¹³⁶Nd	¹³⁷Pm	¹³⁸Sm	¹³⁹Eu	Gd
																																																77	¹²⁵Cd	¹²⁶In	¹²⁷Sn	¹²⁸Sb	¹²⁹Te	¹³⁰I	¹³¹Xe	¹³²Cs	¹³³Ba	¹³⁴La	¹³⁵Ce	¹³⁶Pr	¹³⁷Nd	¹³⁸Pm	¹³⁹Sm	¹⁴⁰Eu
																																																	78	¹²⁷In	¹²⁸Sn	¹²⁹Sb	¹³⁰Te	¹³¹I	¹³²Xe	¹³³Cs	¹³⁴Ba	¹³⁵La	¹³⁶Ce	¹³⁷Pr	¹³⁸Nd	¹³⁹Pm	¹⁴⁰Sm	¹⁴¹Eu	¹⁴²Gd
																																																		79	¹²⁹Sn	¹³⁰Sb	¹³¹Te	¹³²I	¹³³Xe	¹³⁴Cs	¹³⁵Ba	¹³⁶La	¹³⁷Ce	¹³⁸Pr	¹³⁹Nd	¹⁴⁰Pm	¹⁴¹Sm	¹⁴²Eu	¹⁴³Gd	65	66	67	68	69
																																																		80	¹³⁰Sn	¹³¹Sb	¹³²Te	¹³³I	¹³⁴Xe	¹³⁵Cs	¹³⁶Ba	¹³⁷La	¹³⁸Ce	¹³⁹Pr	¹⁴⁰Nd	¹⁴¹Pm	¹⁴²

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