In your own words, explain what the atomic number and atomic mass of an element represent. use an example of an element if it you with your description. describe how the atomic number and atomic mass of an element are calculated. take a look at tyler's response to one of these prompts. the element i chose contains an atomic number of 30 and an atomic mass of 65. this means the element has 30 protons, 35 neutrons, and 30 electrons. what element did tyler post about?