photons and convection - density differences makes bubbles of hot stuff float up. pretty sure
Explanation:
what is the question please
Salutations!
What is the smallest unit of a substance that keeps all of the physical and chemical properties of that substance?
Molecules is the smallest unit of a substance that keeps all of the physical and chemical properties of that substance. It is a group of atoms bounded together, and it can participate in a chemical reaction/
Hope I helped (:
Have a great day!
I had the same question. I'm pretty sure it's 23 seconds. :)
Answer:
Metals are the good conductors of heat while plastic is a non metal and is not good in conductivity.
Explanation:
From the molecular point of view we usually define conductivity in terms of free electrons which are in abundance in metal and electrons do transfer heat. So when you touch a piece of metal these free electron of metal take that heat from your hand and transfer to the cooler part. "Flow of heat from hotter to colder part". That is the reason it feels colder upon touching the piece of metal. However Plastics do not have this characteristic of conduction of heat.
