I don’t know but if I was on the game show, I would think & eliminate. know it’s not H20 and N so I’m going with:
A) ag
It’s Ag
The chemical symbol for silver is….ag
Jacqueline you are correct. Thanks for your response.
You’re welcome Alexis
Ag? Ok thanks for that good to learn something new.
You are welcome David. Thank you!
a) Ag
Phyllis you are correct. Thanks for your response.
You are welcome!
The symbol is AG
Ethienne, you are correct. Thanks for participating.
Ethienne you are correct. Thanks for your response.
Let me guess. It is Ag
Hillary you are correct. Thanks for your response.

Rhonda, you got it correct. Thanks for your response.