Download Add to Favorites Add to Folder creative writing children's book activities classroom tools language arts and writing vocabulary Create new folderCREATE NEW FOLDER Share True/false questions in this worksheet will help you gauge students' understanding of radioactive elements. Students also interpret a diagram and answer questions about isotopes in this physical science printable. Grade: 9 | 10 | 11 | 12 Subjects: Science Chemistry Chemical Properties + show tags TYPE: Worksheets