4 Evidence is only useful to a scientific argument when it's:
A
Based on observation
B.
Measured in numbers
С
Relevant to the claim
D
Collected by a scientist

relevant to the claim i think

atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of c is as shown here in the image.

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).