Question

Which of the following apply to the property of hardness. Select all that apply.

-Hardness is determined through a complicated process that requires expensive instruments.
-Hardness is a physical property.
-Hardness is indicative of the strength of chemical bonds between elements.
-Friedrich Mohs developed the standard hardness scale.
-Diamond can scratch quartz.

Answer 1

The correct statements are:

Hardness is a physical property.

Friedrich Mohs developed the standard hardness scale.

Diamond can scratch quartz.