Across
- 3. Either positive negative or neutral
- 5. a row in the periodic table
- 7. ion composed of more than one atom
- 8. a collection of chemically connected atoms.
- 9. A bond including a non metal and a metal.
- 11. made of protons, neutrons and electrons, element
- 13. Negatively charged molecule
- 14. positively charged ion
- 15. collections of physically connected atoms.
- 18. a material which is lustrous and has loose electrons
- 19. the outermost shell in an atom
- 20. the structure where atoms reside connected
- 21. Neutral charged molecule in the nucleus
Down
- 1. electron that sits in the valence shell
- 2. a table that organises all the possible elements
- 4. a column in the periodic table
- 6. A bond including a non metal and a non metal.
- 7. Positively charged molecule in the nucleus
- 10. a material that has the opposite properties of metals
- 12. A bond with two metals
- 16. where the electrons orbit the nucleus
- 17. negatively charged ion