1.  In a hydrogen atom the electron 'orbits' the nucleus (or proton) of the atom at  about 1 angstrom (1*10-10 m).  A.  What is the electric field at the position of the electron and proton?  b.  What is the electric Force felt by both the electron and the proton? c.  What's the difference? d.  What is the gravitational force acting upon both the electron and the proton? e.  Which one is stronger the electric force or the gravitational force?

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Atomic Number

Elements are the building blocks of all the matter that exist in the universe. Every element is made up of atoms that have protons, electrons, and a nucleus. In order to know the difference between the elements, an atomic number is used. Every element has its own individual atomic number. The atomic number is a single most important characteristic of an atom.