Hydrogen: Ìyàtọ̀ láàrin àwọn àtúnyẹ̀wò

}}</ref> {{respell|HYE|dro-jin}}) je [[chemical element|apilese kemika]] pelu [[atomic number|nomba atomu]] 1. O je sisoju fun latowo [[chemical symbol|ami-idamo]] '''H'''. Pelu [[atomic weight|iwuwo atomu]] iye {{val|1.00794|u=[[atomic mass unit|u]]}} ({{val|1.007825|u=[[atomic mass unit|u]]}} forfun [[Hydrogen-1]]), hydrogen isni theapilese kemika lightesttofuyejulo andati [[abundance of the chemical elements|most abundanttolopojulo]], chemicalo element, constitutingje roughlybi 75 % of thegbogbo Universe'sisupo elementalapilese massAgbalaaye.<ref>