What is the change in volume of 100 milliliter of neon at 127°C and 450mm Hg when the temperature rises to 227°C at 900 mm Hg?

You use the atomic number to find out how many protons and neutrons there are in the atom. you use the atomic mass to find out how many protons and electrons there are in the atom. 

Iam not going to tell you

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.