TSV

Major Element Isotopes - TSV

Major Element Isotopes is a comprehensive dataset of isotopes (atomic nuclei with different mass numbers) for important elements from atomic number 1 to 94. It distinguishes between stable and radioactive isotopes, including physical properties such as natural abundance and half-life. The data covers isotopes essential for science, medicine, and energy applications, ranging from hydrogen isotopes (protium, deuterium, tritium) to isotopes of uranium and plutonium that are crucial as nuclear fuels.

chemistry isotopes atomic nuclei radioactive isotopes stable isotopes periodic table atomic number mass number nuclear physics
code	slug	name	description	element_atomicNumber	element_nameEn	element_nameJa	element_symbol	isotopes
1	hydrogen-isotopes	Hydrogen Isotopes	Three isotopes of hydrogen (protium, deuterium, tritium).	1	Hydrogen	水素	H	[{"massNumber":1,"symbol":"¹H","name":"Protium","stability":"stable","naturalAbundance":0.99985,"halfLife":null},{"massNumber":2,"symbol":"²H","name":"Deuterium","stability":"stable","naturalAbundance":0.000115,"halfLife":null},{"massNumber":3,"symbol":"³H","name":"Tritium","stability":"radioactive","naturalAbundance":0,"halfLife":"12.32 years"}]
2	helium-isotopes	Helium Isotopes	Two stable isotopes of helium (helium-3, helium-4).	2	Helium	ヘリウム	He	[{"massNumber":3,"symbol":"³He","name":"Helium-3","stability":"stable","naturalAbundance":0.00000134,"halfLife":null},{"massNumber":4,"symbol":"⁴He","name":"Helium-4","stability":"stable","naturalAbundance":0.99999866,"halfLife":null}]
6	carbon-isotopes	Carbon Isotopes	Two stable isotopes of carbon and radioactive carbon-14.	6	Carbon	炭素	C	[{"massNumber":12,"symbol":"¹²C","name":"Carbon-12","stability":"stable","naturalAbundance":0.9893,"halfLife":null},{"massNumber":13,"symbol":"¹³C","name":"Carbon-13","stability":"stable","naturalAbundance":0.0107,"halfLife":null},{"massNumber":14,"symbol":"¹⁴C","name":"Carbon-14","stability":"radioactive","naturalAbundance":0,"halfLife":"5,700 years"}]
7	nitrogen-isotopes	Nitrogen Isotopes	Two stable isotopes of nitrogen (nitrogen-14, nitrogen-15).	7	Nitrogen	窒素	N	[{"massNumber":14,"symbol":"¹⁴N","name":"Nitrogen-14","stability":"stable","naturalAbundance":0.99636,"halfLife":null},{"massNumber":15,"symbol":"¹⁵N","name":"Nitrogen-15","stability":"stable","naturalAbundance":0.00364,"halfLife":null}]
8	oxygen-isotopes	Oxygen Isotopes	Three stable isotopes of oxygen (oxygen-16, oxygen-17, oxygen-18).	8	Oxygen	酸素	O	[{"massNumber":16,"symbol":"¹⁶O","name":"Oxygen-16","stability":"stable","naturalAbundance":0.99757,"halfLife":null},{"massNumber":17,"symbol":"¹⁷O","name":"Oxygen-17","stability":"stable","naturalAbundance":0.00038,"halfLife":null},{"massNumber":18,"symbol":"¹⁸O","name":"Oxygen-18","stability":"stable","naturalAbundance":0.00205,"halfLife":null}]
26	iron-isotopes	Iron Isotopes	Four stable isotopes of iron (iron-54, iron-56, iron-57, iron-58).	26	Iron	鉄	Fe	[{"massNumber":54,"symbol":"⁵⁴Fe","name":"Iron-54","stability":"stable","naturalAbundance":0.05845,"halfLife":null},{"massNumber":56,"symbol":"⁵⁶Fe","name":"Iron-56","stability":"stable","naturalAbundance":0.91754,"halfLife":null},{"massNumber":57,"symbol":"⁵⁷Fe","name":"Iron-57","stability":"stable","naturalAbundance":0.02119,"halfLife":null},{"massNumber":58,"symbol":"⁵⁸Fe","name":"Iron-58","stability":"stable","naturalAbundance":0.00282,"halfLife":null}]
82	lead-isotopes	Lead Isotopes	Four stable isotopes of lead (lead-204, lead-206, lead-207, lead-208).	82	Lead	鉛	Pb	[{"massNumber":204,"symbol":"²⁰⁴Pb","name":"Lead-204","stability":"stable","naturalAbundance":0.014,"halfLife":null},{"massNumber":206,"symbol":"²⁰⁶Pb","name":"Lead-206","stability":"stable","naturalAbundance":0.241,"halfLife":null},{"massNumber":207,"symbol":"²⁰⁷Pb","name":"Lead-207","stability":"stable","naturalAbundance":0.221,"halfLife":null},{"massNumber":208,"symbol":"²⁰⁸Pb","name":"Lead-208","stability":"stable","naturalAbundance":0.524,"halfLife":null}]
92	uranium-isotopes	Uranium Isotopes	Three naturally occurring radioactive isotopes of uranium (uranium-238, uranium-235, uranium-234).	92	Uranium	ウラン	U	[{"massNumber":238,"symbol":"²³⁸U","name":"Uranium-238","stability":"radioactive","naturalAbundance":0.9927,"halfLife":"4.468 billion years"},{"massNumber":235,"symbol":"²³⁵U","name":"Uranium-235","stability":"radioactive","naturalAbundance":0.0072,"halfLife":"704 million years"},{"massNumber":234,"symbol":"²³⁴U","name":"Uranium-234","stability":"radioactive","naturalAbundance":0.000055,"halfLife":"245,500 years"}]
94	plutonium-isotopes	Plutonium Isotopes	Major artificial radioactive isotopes of plutonium (plutonium-238, 239, 240, 241, 242, 244).	94	Plutonium	プルトニウム	Pu	[{"massNumber":238,"symbol":"²³⁸Pu","name":"Plutonium-238","stability":"radioactive","naturalAbundance":0,"halfLife":"87.7 years"},{"massNumber":239,"symbol":"²³⁹Pu","name":"Plutonium-239","stability":"radioactive","naturalAbundance":0,"halfLife":"24,110 years"},{"massNumber":240,"symbol":"²⁴⁰Pu","name":"Plutonium-240","stability":"radioactive","naturalAbundance":0,"halfLife":"6,560 years"},{"massNumber":241,"symbol":"²⁴¹Pu","name":"Plutonium-241","stability":"radioactive","naturalAbundance":0,"halfLife":"14.4 years"},{"massNumber":242,"symbol":"²⁴²Pu","name":"Plutonium-242","stability":"radioactive","naturalAbundance":0,"halfLife":"373,300 years"},{"massNumber":244,"symbol":"²⁴⁴Pu","name":"Plutonium-244","stability":"radioactive","naturalAbundance":0,"halfLife":"80.8 million years"}]