I think your answer is D. However I’m not 100% sure.
Answer:
The properties of the Hardness are:
Hardness is a physical property
Hardness is indicative of the strength of chemical bonds between elements.
Diamond can scratch quartz Explanation:
Answer:
0.68
Explanation:
Number of moles is directly propotionalto the volume at standard condition.
It is in period 3
It is in group 17
It is a chlorine atom because it has 17 electrons which means the atomic number is 17
