主要な元素同位体 - TOML

[[items]]
code = "1"
slug = "hydrogen-isotopes"
name = "水素の同位体"
description = "水素の3つの同位体（プロチウム、重水素、トリチウム）。"
element_atomicNumber = 1
element_nameEn = "Hydrogen"
element_nameJa = "水素"
element_symbol = "H"
isotopes = "[{\"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\"}]"

[[items]]
code = "2"
slug = "helium-isotopes"
name = "ヘリウムの同位体"
description = "ヘリウムの2つの安定同位体（ヘリウム3、ヘリウム4）。"
element_atomicNumber = 2
element_nameEn = "Helium"
element_nameJa = "ヘリウム"
element_symbol = "He"
isotopes = "[{\"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}]"

[[items]]
code = "6"
slug = "carbon-isotopes"
name = "炭素の同位体"
description = "炭素の2つの安定同位体と放射性同位体炭素14。"
element_atomicNumber = 6
element_nameEn = "Carbon"
element_nameJa = "炭素"
element_symbol = "C"
isotopes = "[{\"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\"}]"

[[items]]
code = "7"
slug = "nitrogen-isotopes"
name = "窒素の同位体"
description = "窒素の2つの安定同位体（窒素14、窒素15）。"
element_atomicNumber = 7
element_nameEn = "Nitrogen"
element_nameJa = "窒素"
element_symbol = "N"
isotopes = "[{\"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}]"

[[items]]
code = "8"
slug = "oxygen-isotopes"
name = "酸素の同位体"
description = "酸素の3つの安定同位体（酸素16、酸素17、酸素18）。"
element_atomicNumber = 8
element_nameEn = "Oxygen"
element_nameJa = "酸素"
element_symbol = "O"
isotopes = "[{\"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}]"

[[items]]
code = "26"
slug = "iron-isotopes"
name = "鉄の同位体"
description = "鉄の4つの安定同位体（鉄54、鉄56、鉄57、鉄58）。"
element_atomicNumber = 26
element_nameEn = "Iron"
element_nameJa = "鉄"
element_symbol = "Fe"
isotopes = "[{\"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}]"

[[items]]
code = "82"
slug = "lead-isotopes"
name = "鉛の同位体"
description = "鉛の4つの安定同位体（鉛204、鉛206、鉛207、鉛208）。"
element_atomicNumber = 82
element_nameEn = "Lead"
element_nameJa = "鉛"
element_symbol = "Pb"
isotopes = "[{\"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}]"

[[items]]
code = "92"
slug = "uranium-isotopes"
name = "ウランの同位体"
description = "ウランの3つの天然放射性同位体（ウラン238、ウラン235、ウラン234）。"
element_atomicNumber = 92
element_nameEn = "Uranium"
element_nameJa = "ウラン"
element_symbol = "U"
isotopes = "[{\"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\"}]"

[[items]]
code = "94"
slug = "plutonium-isotopes"
name = "プルトニウムの同位体"
description = "プルトニウムの主な人工放射性同位体（プルトニウム238、239、240、241、242、244）。"
element_atomicNumber = 94
element_nameEn = "Plutonium"
element_nameJa = "プルトニウム"
element_symbol = "Pu"
isotopes = "[{\"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\"}]"