How do i do this because i don't get what i'm supposed to do on the paper

Your supposed to find an element and other info from the periodic table and fit in in each row. For example the first row is B and the Atomic number would be 5 and protons would be 5 because the atomic number is the same as the atomic mass. Also, you would need to look up a periodic table for this. and google. Boron's neutrons would be 6 and electrons would be 5. The mass number would be 10.811.

stands for electromotive force and it is measured in volts. despite its name, it is not actually the force in the sense of being a "pushing" or "pulling" (not measured in newtons).an equation that relates emf,  ℰ,  to a battery's terminal voltage, v, current, i, and internal resistance, r, is    ℰ = v + irin this case, the emf can be interpreted as a voltage—a difference in electric potential.i would not say that it would be considered an energy. if emf can be defined as the energy/work per a unit charge from a battery or other electric source, then it is not strictly energy.