will mark brainliest

Answer:
Compound : Hydrogen Peroxide, Rust, and Methane in natural gas
Element : a silicon chip and oxygen
Explanation:
The reason why a silicon chip and oxygen fit into elements is because elements are substances that are made from one atom.
Then why Hydrogen Peroxide, Rust, and Methane in natural gas is a compound is because compounds are substances made from two or more chemical elements are bonded together