being composed of minerals and chrystals and being hard as hell
A rock is a complex mixture of compounds, not a pure substance.
/the atomic structure defines the substance....changing the atomic configuration changes the substance to something else.....
Substance that made up it's surface
A measure of how a substance absorbs and reflects light
Neither. It defines the substance but does not characterize it.
A substance's Atomic Number is its most distinguishing property. It defines and describes It's chemical properties.
Density is how much mass a substance has within a given space.
iTunes defines Flyleaf as "rock." Personally, I would consider them a hard rock band.
This is a catalyst
This is a catalyst
specific gravity
A measure of how a substance absorbs and reflects light