Across
- 4. test to find amount of hydrogen
- 9. 2 or more substances mixed together
- 10. lustrous and semi-conductive
- 13. bendy
- 14. lustrous conductive malleable and ductile
- 15. center of atom
- 18. can transport
- 20. fragile
- 21. positively charged part of an atom
Down
- 1. substance made of one or more element
- 2. no of protons
- 3. dull and brittle
- 5. negatively charged part of an atom
- 6. pure substance made of only one type of atom
- 7. bland
- 8. particle made of atoms bonded together
- 11. no of protons + neutrons
- 12. shiny
- 16. able to be turned into wires/rods
- 17. microscopic particles made of protons neutrons and electrons
- 19. neutrally charged part of an atom