Chemistry Review
Across
- 3. unit of measure for volume
- 11. the gaining of electrons in a reaction
- 14. H, N, O, Cl, I, Br, and F all have this in common
- 15. measure the average kinetic energy
- 16. if HCl is an acid, Cl is its ___________
- 19. ionic compounds _______ electrons
- 20. when electrons are equally distributed around a molecule
- 22. the mass of one mole of any element
- 23. metals that lose one electron
- 25. unshared electrons in Lewis dot structures
- 26. water has a pH of __________
- 28. the point in a reaction where all atoms are combined
- 29. formed when nonmetals gain electron
- 30. a compound that dissolves in water
- 34. the compound in a reaction that prevents more product from being made
- 35. The shape of carbon dioxide
- 40. the name of SO
- 42. elements with 2 valence electrons
- 47. a reaction that absorbs energy
- 52. slows down a chemical reaction
- 53. the loss of electrons in a reactions
Down
- 1. bases turn litmus paper ________
- 2. these have a -1 oxidation state
- 4. A + B AB
- 5. a substance dissolved in water
- 6. energy of motion
- 7. covalent prefix for 6
- 8. the oxidation number of nitrogen in nitrate
- 9. the number of bonds in a molecule of oxygen
- 10. the oxidation number of carbon in cyanide
- 12. two or more elements chemically combined
- 13. _______ accept protons
- 14. AB --> A + B
- 15. the shape of carbon tetrachloride
- 17. the most reduced formula for a compound
- 18. the overall energy change in a reaction
- 21. ionic compounds have a(n) ___________ charge
- 24. formed when a reaction produces an insoluble compound
- 27. using a more reactive metal to protect another metal
- 31. _________ donate protons
- 32. used to determine if single replacement reactions take place
- 33. coating nickel with a layer of zinc
- 36. compounds that dissociate in water and conduct electricity
- 37. the oxidation number of chromium in dichromate
- 38. speeds up a chemical reaction
- 39. this measure the hydrogen ion concentration
- 41. a reaction that has a negative enthalpy
- 43. elements that do not react with anything
- 44. transition metals require this when naming
- 45. these compounds create a sea of electrons
- 46. acids taste _____
- 48. formed when metals lose electrons
- 49. This has a definite volume or shape
- 50. __________ acids completely dissociate in water
- 51. covalent compounds ______ electrons