The element X has an atomic mass of 12.80

amu. It is known to have two isotopes 12X and 13X. Which of the following is true about the relative abundancies of 12X and 13X?
a) both isotopes occur with the same frequency.
b)12X occurs more frequently than 13X
c)12X occurs less frequently than 13X
d) not enough information

Similar Questions
  1. Part 1:Find the % by mass of each element in camphor (C10H20O). Step 1: Find the atomic mass of each element in the molecule.
    1. answers icon 1 answer
    1. answers icon 1 answer
  2. name the element wsith the atomic number z= 15 and the atomic mass number 31.How many electrons does the neutral of this lement
    1. answers icon 1 answer
    1. answers icon 9 answers
more similar questions