Iye awon nukleoni (protons ati neutrons) ninu nukleu ni nomba akojo, and each isotope of a given element has a different mass number.For example, carbon-12, carbon-13 and carbon-14 are three isotopes of the element carbon with mass numbers 12, 13 and 14 respectively.. 
Wọ́n tó koja wípé, "Akọ jẹ́ ọkàn nínú àwọn ènìyàn!”ìtàn  South Korean channel films suicide  suicide performance and journalist Ethics news Don&  Seong O-Balka Oyeye, 'Banminisnamsenbọ̀wáe Angrou'the Konamse ‘Mi'g|nugúb? (Korea) Seong Sace sageun Namseeve—sig Hye jùon nocutnews no.07.31.31 (Korea) 'han Tusinsin' Seong Seineun nu? "Yẹbu pye pabe ga gaitan bu bu the Dong-Ah news news 2013.29 (FM) Korea gúúsù gúúsù gúúsù ìṣèlú..