Question

Iron atoms combine with oxygen atoms to form rust. Is this a physical property of iron or a chemical property?

Answer 1

Chemical property

Step-by-step explanation:

Rust is an oxide produced by iron and oxygen in the presence of water or air moisture. The reaction is an oxidation reaction.

Answer 2

Chemical property

Step-by-step explanation:

Rust is always a chemical change

The rust changes your object due to oxygen and water