number of protons neutrons and electrons in an atom of aluminum-27?
i believe that it has 13 of electrons and 13 protons with 14 neutrons13 protons + 14 neutrons mass number of 27.
You can get some pretty flat polystyrene foam sheets that provide good insulation at a home improvement storeI would think it's probably better than compressing the fiberglass insulation, since that would squeeze all of the air out of the batting, which would reduce it's insulation effectiveness, anyway.
