PLZ HURRY IM BEING TIMED Find the charge in Coulomb of an object with 21 protons and 15 electrons. You may include your work in the answer.
2 points

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis