14) complete the diagram below to show the sub-atomic particles in a fluorine atom, include the appriate numbers of neutrons, protons, and electrons. 15) explain how you should change the diagram to represent an isotope of fluorine...
16) explain how you should cahnge the diagram to represent F^1-ion

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)