What does the atomic number of an atom tell us? How much the atom weighs
The number of protons in the atom
Which column the element is in on the periodic table
The number of electrons it is likely to lose

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than