Question

all of the following are physical properties of matter except
mass
volume
melting point
ability to rust
what has mass and takes up space? or in other wordsstuff?
substance
element
mixture
matter
two or more elements chemically combined is called a *
element
compound
mixture
substance

Explanation:

1. Physical properties of matter include mass, volume, melting - point etc. Reactivity is a chemical property.
2. Matter is defined as anything that has mass and takes up space.
3. A compound is formed when two or more elements are chemically combined.

Answer:

1. Reactivity is not
2. matter
3. compound