If you spilled your fluorescein solution at your lab station, briefly describe what your instructor will notice at the end of the lab in the presence of uv light.

The instructor will see a green glow where you spilled the fluorescein solution.

Fluorescein fluoresces at 512 nm when it absorbs UV light. That is, it emits green light.

It gives out a blue-green glow

Explanation:

fluorescein is a substances used in eye drops. It is a florescent material. When exposed to ultraviolet light, it gives out a greenish glow.

Hence if it is accidentally spilled in the lab, when the instructor investigates the spilled substance under ultraviolet light and discovers a greenish slow. He will immediately confirm the spilled substance as fluorescein

the answer to this question is 3.

it is stable as it is in group 0 which have full outer shells of electrons