Definition of physical property?
It can be defined as followed. Any property used to characterize matter .
A physical property is characteristic for a physical system and
is easily measurable.
any property used to characterize matter and energy and their interactions. A physical property is any measurable property the value of which describes a physical system's state at any given moment in time. For that reason the changes in the physical properties of a system can be used to describe its transformations (or evolutions between its momentary states).
I believe that radioactivity is a physical property because you can measure it without changing the identity of the substance, which is the definition of a physical property. ...To the person that wrote the above answer... Radioactivity is a not a physical property because if an element is radioactive, it means it has the ability to change into an atom of another element, so it is undergoing a chemical change! Technically, radioactivity is neither a…