Respuesta :

Answer:

Hardness is a physical property

Friedrich Mohs developed the standard hardness scale.

Diamond can scratch quartz.

Explanation:

hope it helped! ^_^

Answer:

hardness is a physical property

hardness is indicative of the strength of chemical bonds between elements.

hardness is a determined through a complicated processs that requires expensive instruments.

Friedrish Mohs developed the standard hardness scale.

Diamomd can scratch quartz