161k views
9 votes
An imaginary element, Y, has two different isotopes.

y has a percentage abundance of 25% and 29y has a percentage abundance of
75%.
Which of the following is the relative atomic mass of Y?
26
25
27
28

2 Answers

6 votes

The answer is:

28

I just got this answer so I don't know how to work it out but i hope it helps.

User Luka Kerr
by
5.4k points
7 votes

Answer:

kliujhygfdsalikumjyhbtgvf

Step-by-step explanation:

User Hendry Ten
by
5.4k points