Science-Physical-18
Mrs. Fisher explained to her 7th-grade science students, "The subatomic particles packed together into the center of the atom called the ___________. The electrons, which are very much smaller, circle around the outside."
Mrs. Fisher explained to her 7th-grade science students, "The subatomic particles packed together into the center of the atom called the ___________. The electrons, which are very much smaller, circle around the outside."