The answer is A....... brainiest plz?
The average atomic mass of the element is the sum of the products of the percentage abundance of isotope and its mass number. Therefore, for atomic mass equal to 58.933, the most abundant isotope is cobalt-59. Thus, the answer is letter C.
I am not to sure because I have not studied this
And the answer is False,it does not have the same number with particles as the one mole of hydrogen.
