Radioizotoplar orasida bismut-209 (209Bi) eng uzoq yarim umrga ega, 2.01 * 10 ^ 19 yil. Ammo, agar biz barcha elementlarni hisobga olsak, gidrogen-1 (1H) yadrosi faqat bitta protonni o'z ichiga olgan bo'lsa, eng uzoq yarim umrga ega bo'ladi, chunki protonning yarim umrining hozirgi bahosi kamida 1.67 × 10 ^ 34 yil va hech qachon proton parchalanishi kuzatilmagan.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence