AHmed

This page lists questions and answers that were posted by visitors named AHmed.

Questions

The following questions were asked by visitors named AHmed.

Answers

The following answers were posted by visitors named AHmed.

what is the ansawr
4 years ago
ridium has two stable isotopes: 191Ir and 193Ir with masses of 190.9605940 amu and 192.9629264 amu. If the fractional abundance of 191Ir is 0.373 on Earth, complete the expression below that can be used to calculate the average atomic mass.
4 years ago