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・ Isotopes of meitnerium
・ Isotopes of mendelevium
・ Isotopes of mercury
・ Isotopes of molybdenum
・ Isotopes of neodymium
・ Isotopes of neon
・ Isotopes of neptunium
・ Isotopes of nickel
・ Isotopes of niobium
・ Isotopes of nitrogen
・ Isotopes of nobelium
・ Isotopes of osmium
・ Isotopes of oxygen
・ Isotopes of palladium
・ Isotopes of phosphorus
Isotopes of platinum
・ Isotopes of plutonium
・ Isotopes of polonium
・ Isotopes of potassium
・ Isotopes of praseodymium
・ Isotopes of promethium
・ Isotopes of protactinium
・ Isotopes of radium
・ Isotopes of radon
・ Isotopes of rhenium
・ Isotopes of rhodium
・ Isotopes of roentgenium
・ Isotopes of rubidium
・ Isotopes of ruthenium
・ Isotopes of rutherfordium


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Isotopes of platinum : ウィキペディア英語版
Isotopes of platinum
Natural platinum (Pt) occurs in five stable isotopes (192Pt, 194Pt, 195Pt, 196Pt, 198Pt) and one very long-lived (half-life 6.50×1011 years) radioisotope (190Pt). There are also 31 known artificial radioisotopes, the longest-lived of which is 193Pt with a half-life of 50 years. All other isotopes have half-lives under a year, most under a day.
Standard atomic mass: 195.084(9) u.
== Table ==



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