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.

The correct answers are options  B, D and E.

The property of hardness are:

Hardness is a physical property.

Friedrich Mohs developed the standard hardness scale.

Diamond can scratch quartz.

Mohs' scale of hardness is used to rate minerals with 1 being softest and 10 being hardest. Determination of hardness requires no expensive instrument. It is a physical property that is tested by scratching one substance over the surface of another.

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be