Answer:
nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon. It does not include water vapor because the amount of vapor changes based on humidity and temperature.
An electron is found whizzing around the nucleus, so in subatomic particles.
Answer for your question is;
2,6 = 8
The first shell is 2 electrons the other shell is 6 electrons
