Chemistry Crossword Puzzle

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Across
  1. 5. Electronegativity Difference of 0
  2. 7. The state of matter in which a substance has neither definite volume or shape.
  3. 9. A chemical bond resulting from the sharing of an electron pair between two atoms.
  4. 12. A compound composed of two different elements.
  5. 13. A number assigned to an atom in a molecular compound or ion that indicates the general distribution of electrons among the bonded atoms.
  6. 18. The energy required to break a chemical bond and form neutral isolated atoms.
  7. 19. Electronegativity Difference of 0.2
  8. 23. 6.022 X 1023
  9. 24. Mass is neither created nor destroyed during ordinary chemical or physical reaction.
  10. 26. A small whole number that appears in front of a formula in a chemical equation.
  11. 27. A number assigned to to an atom in a molecular compound or molecular ion that indicated the general distribution of electrons among the bonded atoms.
  12. 30. Mercury (II) Oxide->.
  13. 32. A way to ask and answer scientific questions by making observations and doing experiments.
  14. 34. The state of matter in which the substance has definite volume and shape.
  15. 37. Potassium
  16. 38. Electronegativity Difference of 1.9
  17. 39. A reaction in which two or more substances combine to form a new compound.
  18. 43. A testable statement.
  19. 44. Iron
  20. 45. Dioxide NO2
  21. 50. The separation of ions that occur when an ionic compound dissolves.
  22. 51. An Ion that does not take part in a chemical reaction and is found in solution both before and after the reaction.
  23. 52. The total number of protons and neutrons in the nucleus of an isotope.
  24. 53. Na
Down
  1. 1. A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together.
  2. 2. The formation of ions from from solute molecule by the action of the solvent.
  3. 3. A neutral group of atoms that are held together by covalent bonds.
  4. 4. The decomposition of substance by an electric current.
  5. 6. Mass Number - Atomic Number.
  6. 8. Any compound that of which all or almost all of the dissolved compound exists as ions in aqueous solution.
  7. 10. AN equation that includes only those compounds and ions that undergo a chemical change in a reaction in an aqueous solution
  8. 11. The amount of space occupied by an object.
  9. 14. Carbon + Oxygen->.
  10. 15. The sum of the average atomic masses of all the atoms represented in the formula of any molecule, formula unit, or ion.
  11. 16. A reaction in which a substance combines with oxygen, releasing large amount energy in the form of light and heat.
  12. 17. Having an uneven distribution of charge.
  13. 19. A ratio derived from the equality between two different units that can be used to convert from one unit to another.
  14. 20. C
  15. 21. A high temperature physical state of matter in which atoms lose their electrons.
  16. 22. The symbols for the element combined in a compound with subscripts showing the smallest whole number mole ratio of the different atoms in the compound.
  17. 23. A list of elements organized according to the ease with which the elements undergo certain chemical reactions.
  18. 25. A change in which one or more substances are converted into different substances.
  19. 28. The ratio of mass to volume or mass divided by volume.
  20. 29. A compound of which a relatively small amount of the dissolved compound exists as ions in an aqueous solutions.
  21. 31. A change in a substance that does not involve a change in the identity of the substance.
  22. 33. The chemical bond resulting from electrical attraction between large numbers of cations and anions.
  23. 35. A polyatomic ion that contains oxygen.
  24. 36. Mass/Volume.
  25. 40. The number of protons in the nucleus of each atom of each element.
  26. 41. A solid that's produced as a result of a chemical reaction in solution that seperates from the solution.
  27. 42. A measure of the gravitational pull on matter.
  28. 46. Atoms of the same element that have different masses.
  29. 47. The state of matter in which the substance has a definite volume but an indefinite shape.
  30. 48. The mass of one mole of a pure substance.
  31. 49. The smallest unit of an element that maintains the properties of that element.