Across
- 3. 80% of elemental iron forms Earths......
- 5. negative ions or neutral molecules attached to a central atom
- 7. type of bond where one atom donates an electron
- 9. iron made in the blast furnace
- 10. pure is lustrous,soft,reacts with nonmetal and acids
- 11. one of ways how can phosphate ions get into sewage water,by....
- 12. it is used in baking powders
Down
- 1. slightly soluble in water,its solution is called lime water
- 2. interaction between water molecules
- 4. dblock elements with at least one ion with partially filled dorbital
- 6. quick or burnt lime is made by thermal decomposition
- 8. Fe+water+oxygen