Home › Forums › setting the stage › solids as quantum systems › Solid defition This topic has 1 reply, 2 voices, and was last updated 1 year, 2 months ago by nkechioffiakalu. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts September 27, 2023 at 3:42 pm #9075 ThibautDhommeParticipant I would define a solid as a system of atoms that are bound together and form an ordered structure. There may also be electrons that are not bound to a nucleus and move freely throughout the structure. September 29, 2023 at 2:35 am #9112 nkechioffiakaluParticipant Hi,ThibautDhomm,i truly appreciate your contribution.your mention of electrons and nucleus are in agreement with the video but not atoms anyway. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In