Displacement is changing location position is location motion is your total motion no matter what direction your moving reference point is how far you are from where you started distance is using a object to compare your location
The atomic number in an element is usually how many protons the element has. For example, Hydrogen has a 1 on top of the H (on the periodic table), therefore, Hydrogen has 1 proton. Oxygen has an 8 on top of the O (on the periodic table) so therefore, Oxygen has 8 protons.
