spin238Uranium-238 (238 U or U-238) is the most common isotope of uranium found in nature, with a relative abundance of 99%. Unlike uranium-235, it is non-fissile, which means it cannot sustain aspin238 spin238 ; spin238 ; spin238 ; Hubungi kami di Live Chat (24 Jam) LACAK PESANAN. LACAK PESANAN. Nomor pesanan: Untuk bantuan silakan,Klik disini. LOGIN. DAFTAR.