If an atom is neutral, what two subatomic parts are equal

Can you guys me with question no. 5!

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.