Newlands contribution to the periodic table

Iwould you figure it out but you don't have a picture or in your question as to what the physical property you're looking for is

I'm sorry i cant you if you don't list the elements : (

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.