toriadorsey07 toriadorsey07 30-09-2022 Chemistry Answered Which of argon's three isotopes, if any of them, is most abundant: argon-36, argon-38, or argon-40? (The atomic mass of argon is 39.948 amu.) O a Argon-36 Argon-38 Ob Oc Argon-40 Od All are equally abundant.