Across
- 2. the most reactive non-metals
- 3. positively charged centre of an atom
- 6. chemical combination of 2 or more elements
- 8. an atom or group of atoms that lose or gain electrons
- 9. the process of a solid turning into a gas
- 15. the combination of two or more non-metals
- 17. characteristics that can be used to describe a substance
- 18. mass of one atom of an element
- 19. a non-reversible cloudy mixture
- 21. able to be stretched into a long wire
- 22. combination of symbols and numbers that represent a compound and the amount
- 23. anything that takes up space and has a mass
Down
- 1. negatively charged particle that orbits the nucleus of an atom
- 4. element that has both metallic and non-metallic properties
- 5. the point of which a substance begins to boil
- 7. positively charged and wants more protons
- 10. the most reactive metals
- 11. combination of symbols that represent a compound
- 12. neutral charges
- 13. made of only one atom
- 14. ability for a substance to conduct electricity or heat
- 16. number of protons in an atom of an element
- 20. amount of mass in a given volume of a substance
- 24. negatively charged and wants more electrons