1. How do subatomic particles (protons, neutrons, and electrons) affect the stability of an atom?
2. How do subatomic particles (protons, neutrons, and electrons) affect the charge of an atom?
Answer: Stability has more to do with the valence shell being filled. A full valence electron shell means an atom is more stable. 8 electrons fills a shell except helium.
Explanation: I hope that answers your question, just learned about this is science.
