Question

an element Z contains 2 naturally occurring isotopes one with atomic no. 17 and mass no. 35. another has atomic no. 17 and mass no. 37. if the average atomic mass of this element is 35.5u, calculate the percentage of two isotopes​

Answer 1

Explanation:

75% and 25%

i hope this will helpul to you

Answer 2

Explanation:

75 % and 75% i hope this will helpul to you