Across
- 3. particles -particle a body having finite mass and internal structure
- 4. An optical instrument used for viewing very small objects
- 7. Property of atoms or radicals
- 8. The basic unit of a chemical element.
- 10. Electromagnetism is one of the four fundamental interactions of nature
- 11. interactions that blinds protons and neutrons
- 13. An atomic orbital is a mathematical function
Down
- 1. The central and most important part of an object
- 2. A radionuclide is an atom with an unstable nucleus
- 5. Portion of matter
- 6. Number The number of protons in the nucleus of an atom
- 9. A stable subatomic particle occurring in all atomic nuclei
- 12. The state or quality of being stable