8. which picture(s) would best represent atoms in the gas of a neon sign?

To find pictures that best represent atoms in the gas of a neon sign, you can follow these steps:

1. Search for images of "neon gas atoms" or "neon gas discharge."
2. Look for pictures that show a gas-filled tube, typically with a glowing light.
3. Specifically, search for images that depict the unique colors associated with neon signs, such as bright orange-red or other vibrant hues.
4. Another option is images that display the characteristic glow of neon gas when it is excited by an electrical discharge.

By conducting an online image search using these keywords, you should be able to find suitable pictures that represent atoms in the gas of a neon sign.