Across
- 1. In single displacement, A + BC will form ________
- 3. pH scale goes from one to ___________
- 4. A molecule of two same or different atoms
- 8. The bond of positive and negative ions attracting
- 9. Law of ____________ of mass
- 11. An aqueous solution (tastes bitter, turns litmus paper blue, conducts electricity)
- 14. Multiple atoms in a single particle
- 17. sodium hydroxide
- 18. The bond of sharing outer electrons between non-metals
- 19. A solid formed from the reaction of two solutions
- 20. An aqueous solution (tastes sour, turns litmus paper red, conducts electricity)
- 21. A combustion that produces C, CO, CO2, H2O and energy (oxygen is limited)
- 23. The reaction of an acid and base, which form a salt and water
- 25. A particle with atoms joined by covalent bonds
- 27. NO3
- 28. PO4
Down
- 1. NH4
- 2. 2Fe + O2
- 4. A reaction in which a complex molecule breaks to form two simpler products
- 5. A reaction in which two reactants combine to create more complex product
- 6. A pure substance of two or more elements
- 7. The base added to lakes to reduce acid levels
- 10. The coating of a metal with an outer later of zinc (steel is usually coated)
- 12. A compound that separates into ions in water
- 13. The rapid reaction of a substance with oxygen (produces oxides and energy)
- 15. magnesium oxide
- 16. A combustion which uses all available full (oxygen is plentiful)
- 22. The breakdown of a metal from reactions with chemicals in environment
- 24. The corrosion of iron and steel
- 26. pH of 7