a solid Home › Forums › setting the stage › solids as quantum systems › a solid This topic has 0 replies, 1 voice, and was last updated 13 hours, 26 minutes ago by yassine1. Viewing 1 post (of 1 total) Author Posts December 30, 2025 at 10:28 am #14397 yassine1Participant a solid is an ordered set of particles that has its proper volume . The order can be periodic ( for crystals ) or non-periodic ( amorphous solids). Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In