Is phenylalanine compound a element or mixture?

Answer 1

Phenylalanine is a compound, family of aminoacids.

Additional answer

You obviously don't know what an element is. It is a substance that cannot be broken down into another substance by chemical processes. Hydrogen, neon, iron, cobalt, uranium are all examples of elements.

Answer 2

Phenylalanine is a compound, not an element. It is an amino acid that contains carbon, hydrogen, nitrogen, and oxygen atoms bonded together in a specific arrangement.