Question

If the mass of an atom of C-12 becomes half of its actual value then the atomic mass of phosphorous will change from
31 amu to what new value?​

Answer 1

Answer:

The main idea here is that the relative atomic masses of two atoms do not change when the ... exist between a phosphorus-31 atom and a carbon-12 atom for different values of u .

Explanation:

okay this is in short