Basic Chemistry

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Across
  1. 4. Located in the nucleus of the atom and bear a neutral charge. Page 25
  2. 6. To change reversibly from a fluid (sol) state to a more solid (gel)state. Page 30
  3. 7. Energy that is directly involved in moving matter. Page 24
  4. 14. When atoms with 6 or 7 valence electrons attracts electrons strongly. Page 34
  5. 15. Unequal electron pair sharing. Page 34
  6. 17. To express the concentration of a solution. Page 29
  7. 18. A listing of the known elements and helps to explain their properties. Page 25
  8. 19. The atom that gains one or more electrons is the electron acceptor. Page 32
  9. 20. Energy in action. Page 24
  10. 22. Located in the nucleus of the atom and bear a positive charge. Page 25
  11. 26. The atom that loses electrons is the electron donor. Page 32
  12. 27. A sentence describing what happens in a reaction. Page 35
  13. 30. Substances present in smaller amounts. Page 29
  14. 32. They are the basis of all reactions in which food fuels are broken down for energy. Page 36
  15. 33. Atom that has the same number of protons but different numbers of neutrons. Page 27
  16. 38. Electrons forming the electron cloud around the nucleus of an atom that occupy regions. Page 31
  17. 39. A chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other. Page 32
  18. 41. Homogeneous mixtures of components that may be gases, liquid or solids. Page 29
  19. 42. Substances present in the greatest amount. Page 29
  20. 43. Stored in the bonds of chemical substances. Page 24
  21. 46. Formed when a hydrogen atom, is linked to an electronegative atom. Page 34
  22. 47. The sum of masses of its protons and neutrons. Page 27
  23. 49. Each element designates by one or two letter. Page 25
  24. 50. Substances compound of two or more compounds. Page 29
  25. 51. Anything that occupies space and has mass. Page 24
Down
  1. 1. results from the movement of charged particles. Page 24
  2. 2. Energy that travels in waves. Page 24
  3. 3. When smaller particles are bonded to form complex molecules. Page 36
  4. 5. Energy is stored and inactive. Page 24
  5. 8. To convert energy from one form to another. Page 24
  6. 9. Reacting substances in a chemical reaction. Page 35
  7. 10. Substances that increases the rate of chemical reactions without becoming chemically charged. Page 38
  8. 11. When bonds are broken in larger molecules, resulting in smaller, less complex molecules. Page 36
  9. 12. Located in the centre of the atoms and consist of protons and neutrons. Page 25
  10. 13. bonds - An energy relationship between the electrons of the reacting atoms, and it is made or brake in trillionth of a second. Page 31
  11. 16. Atoms with one or two valence shell electrons. Page 34
  12. 21. Isotopes that exhibit reactivity behavior. Page 28
  13. 23. Regions around the nucleus in which a given electron or electron pair is likely to be found. Page 26
  14. 24. An average of the relative weights (mass numbers) of all the isotopes of an element. Page 28
  15. 25. Molecules that are formed from covalent bonds and are electronically balanced. Page 33-34
  16. 28. Clusters of even smaller particles called protons, neutrons and electrons. Page 24
  17. 29. A combination of two or more atoms held together by chemical bond. Page 28
  18. 31. Located on the shell of the atom and has a negative charge. Page 25
  19. 34. Heterogeneous mixtures, which means that the composition is dissimilar in different arears of the mixture. Page 30
  20. 35. Heterogenous mixtures with large, often visible solutes that tend to settle out. Page 30
  21. 36. Equal to the number of protons in its nucleus. Page 27
  22. 37. When two or more different kinds of atoms bond. Page 28
  23. 40. Electron sharing produces molecules. Page 32
  24. 44. The process of the atomic decay. Page 28
  25. 45. Equal to its atomic weight or molecular weight. Page 29
  26. 48. Predicting the chemical behavior of atoms. Page 26