Across
- 3. color of mercury
- 4. element that is used in compound to makes sparks
- 6. element that sign in purple color (look at the periodic table in your book)
- 10. the property of group I and II in periodic table
- 12. red-brown liquid
- 14. element that gives red spark in firework
- 16. substances that made from two or more elements that are joined together
- 18. discoverer of Yttrium
- 20. element that needed to breathing
Down
- 1. element that discovered in 1868
- 2. element that has atomic number 10
- 5. one of the elements that found in the sun
- 7. a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction
- 8. the first chemist
- 9. the color of boron
- 11. symbol of tin
- 13. smallest part of matter
- 15. symbol of magnesium
- 17. the first element that discovered
- 19. an element in noble gas