Across
- 5. A group of elements missing an electron in their outermost shell
- 6. The name for having more or fewer electrons than protons
- 9. Another name for an energy level
- 10. A substance that increases the rate of a chemical reaction
- 12. A solution in which the solvent is water
- 13. A positively charged ion
- 15. The ‘inventor’ of the modern Periodic Table
- 18. The location of electrons
- 19. a pattern of gradual change
- 22. the rule describing the tendency of atoms to react in order to obtain a full outer shell
- 23. A positively charged sub-atomic particle
- 25. A column of elements in the periodic table
- 26. Protons + Neutrons
- 27. A neutral compound consisting of anions and cations
- 29. A substance in which two or more elements are bonded together
- 30. An element with a full valence shell of electrons
- 31. The number of protons in the nucleus of an atom
- 32. The relationship between the mass of a substance and the space it takes up
Down
- 1. The bond formed between two non-metals
- 2. A group of atoms bonded together
- 3. Any element in the d-block (groups 3 – 12) of the periodic table
- 4. An element in Group 1 of the Periodic Table
- 7. An atom with a specific number of protons
- 8. electrons involved in chemical bond formation
- 11. A bond in which electrons are shared
- 14. When elements/compounds exist together but without chemical bonds
- 16. A negatively charged sub-atomic particle
- 17. A sub-atomic particle with no charge
- 20. The horizontal rows of the Periodic Table
- 21. The bond formed between a metal and a non-metal in which electrons are transferred
- 24. The arrangement of the nucleus and electrons
- 28. An atom which has gained or lost an electron
- 31. A negatively charged ion