Across
- 4. neutrons + protons
- 7. the atomic number is 1
- 8. covalent bonding can only happen between two ....
- 10. good with milk + food
- 11. are not metals and not non-metals
- 12. C14 is an .... of C12
- 15. died on easter
Down
- 1. negatively charged
- 2. nose + has a own song
- 3. outermost shell of an atom.
- 5. there is 3 types of it
- 6. there are neutrons, electrons and ...... in an Atom.
- 9. whats the opposite of anions?
- 13. white
- 14. short + cute