Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies Created Viewing 2 posts - 1 through 2 (of 2 total) Author Posts November 24, 2022 at 6:44 pm in reply to: Bilal #7955 mmahmoudParticipant good luck Bilal October 12, 2022 at 3:17 pm in reply to: Definition of a solid. #7150 mmahmoudParticipant This is good to some extent, but it should be positive nuclei and negative electrons. it also should obey the laws of quantum physics. Author Posts Viewing 2 posts - 1 through 2 (of 2 total)