Across
- 2. the building blocks of the universe
- 4. group 18 on the periodic table
- 9. Elements 57-71
- 13. Aka rows
- 16. The setup of electrons
- 19. transfer of valence electrons
- 22. name of elements in the middle
- 23. An element with more/less neutrons
- 24. current model of atom
- 25. The centre of an atom
- 26. number of protons plus electrons
- 27. the last shell in the electron config.
- 30. AKA columns in the periodic table
Down
- 1. 2 bonded elements
- 3. Subatomic particle circling the atom
- 5. The charged state of an atom
- 6. Elements 89-103
- 7. electrons in the last electron shell
- 8. elements with mixtures of metals and non metals
- 10. Group 1 of the periodic table
- 11. a particle carrying light
- 12. State without charge
- 14. Subatomic particle with no charge
- 15. number of protons
- 17. positively charged ion
- 18. A negatively charged ion
- 20. an atom with more/less electrons
- 21. The space around an atom that electrons travel in
- 28. simplest form of a substance
- 29. Group 17 in Periodic table