An element with 83 protons has the atomic number 83. If you look at a periodic table you will see Bismuth is the element with the atomic number of 83. It will have a positive charge of +3 because it has only 80 electrons and 83protons. 83-80=+3.
Answer:

Explanation:
To convert the energy of the cereal to know the weight:






Supuse the gravity as a g=9.8m/s^2


A proton repelling another proton
Like charges of the protons would repel one another.