# Problem: Define A, Z, and X   in the following notation used to specify a nuclide: ZA X.

###### FREE Expert Solution

We’re being asked to define A, Z, and X in the following notation used to specify a nuclide: ZA X.

You can determine the identity of a nuclide using its atomic number and mass number

Atomic number (Z):

represents the identity of the element
reveals the number of protons
in a neutral element:

###### Problem Details

Define A, Z, and X   in the following notation used to specify a nuclide: ZA X.