Chemistry Crossword

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Across
  1. 3. A mutual group of atoms that are held together by covalent bonds.
  2. 6. 1
  3. 7. A single Compound undergoes a reaction that produces 2 or more simpler substances.
  4. 11. 6
  5. 16. Uneven distribution of charge.
  6. 19. Moles x's Molar mass of element
  7. 20. volume/amount of substance
  8. 21. HNO3
  9. 24. The amount of a substance that contains as many particles as there are atoms.
  10. 27. Ability of a substance to be Hammered or beaten.
  11. 28. Assigned to the atoms composing the compound or ion.
  12. 31. Mass relationships between reactants and products in a chemical reaction.
  13. 32. A small whole number that appears in front of a formula in a chemical equation.
  14. 36. Symbols for the elements combined in a compound with subscripts showing the smallest whole number mole-ratio
  15. 37. Measured amount of a product obtained from a reaction.
  16. 40. 3
  17. 43. Smallest Particle of an element.
  18. 44. Compounds composed of 2 different elements.
  19. 46. HCLO3
  20. 49. A solid that is produced as a result of a chemical reaction in solution and that seperates from the solution.
  21. 51. Mutual electrical attraction between the nuclei and valance electrons of different atoms that bond atoms together.
  22. 52. Polyatomic ions that contain oxygen.
  23. 53. The ratio of the actual yield to the theoretical yield, Multiplied by 100.
  24. 54. A Specific portionof matter in a given region of space that has been selected for study during an experiment and observation.
Down
  1. 1. The decomposition of a substance by an electric current.
  2. 2. Bonding between large numbers of cations and anions.
  3. 4. Elements of Group 17 of the periodic table.
  4. 5. Mass relationships of elements in compounds.
  5. 8. Represents, with symbols and formulas, the indentities and relative amounts of reactants and products in a chemical Reaction.
  6. 9. 4
  7. 10. Something that has magnitude, size, or amount.
  8. 12. Number of protons in the nucleus of each atom of that element.
  9. 13. HCLO4
  10. 14. HCl
  11. 15. Sum of average atomic masses of all the atoms represented in its formula.
  12. 17. Conversion factor that relates the amounts in moles of any 2 substances involved in a chemical reaction.
  13. 18. Substances that combine with oxygen, releasing a large amount of energy in the form of light and heat.
  14. 22. Sharing of electron pairs between 2 atoms.
  15. 23. Combination of SI base units.
  16. 25. Logical Approach to solving problems by observing and collecting data.
  17. 26. Moles x's 6.02x10^23
  18. 29. Testable statement.
  19. 30. Elements of group 1 of the periodic table.
  20. 33. Substance that is not used up completely in a reaction.
  21. 34. H2SO4
  22. 35. Arrangement of elements in order of their atomic numbers so that elements with similar proporties fall in the same cloumn, or group.
  23. 38. 14 elements with atomic numbers 58-71.
  24. 39. Naming system of binary ionic compounds involving the combining of the names of the compounds positive and negative ions.
  25. 41. Explanation of how phenomena occur and how data or events are related.
  26. 42. Physical and Chemical Proporties of their elements are periodic functions of their atomic number.
  27. 45. 2
  28. 47. 14 Elements with atomic numbers from 90-103.
  29. 48. Mass/Volume=
  30. 50. Atoms of the same element that have different masses.