Basic Chemistry

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Across
  1. 5. Subatomic particle with a positive electric charge(pg.25)
  2. 7. Two or more atoms bonded together(pg.25)
  3. 9. Electron hungry and attract electrons very strongly(pg.34)
  4. 11. The measure of hydrogen ion concentration of a solution(pg.40)
  5. 13. Electrons forming the electron cloud around the nucleus of an atom occupy regions of space called?(pg.31)
  6. 16. Single-ring structure containing three to seven carbon atoms(pg.43)
  7. 17. Energy in action (pg.24)
  8. 18. Net negative charge(pg.32)
  9. 22. Average of the relative weights( mass number)of all the isotopes of an element(pg.28)
  10. 24. Weak bonds formed between one hydrogen atom, covalently linked to an electronegative atom and another electronegative atom(pg.34)
  11. 26. Anything that occupies space and has mass(pg.24)
  12. 27. Chemical bond between atoms formed by the transfer of one or more electrons from one atom to another(pg.32)
  13. 30. Building blocks of protein molecules(pg.47)
  14. 31. Universal energy compound of body cells(pg.55)
  15. 32. Basic structural material of the body9PG.47)
  16. 33. Globular proteins that act as a biological catalyst(pg.51)
  17. 36. Sum of protons and neutrons(pg.27)
  18. 37. Large arrays of cation and anions held together by ionic bonds(pg.32)
  19. 39. Energy involved in moving matter (pg.24)
  20. 40. When chemical bonds are formed, rearranged or broken(pg.35)
  21. 42. Unstable chemical element that releases radiation and their atoms decompose spontaneously into more stable forms(pg.28)
  22. 43. Subatomic particle with a negative charge(pg.25)
  23. 44. A combination of two or more atoms held together by chemical bonds(pg.28)
  24. 45. When atoms or molecules combine to form a larger, more complex molecule(pg.36)
  25. 46. Substance that release hydrogen ions(proton donors)(pg.39)
Down
  1. 1. Polymers of simple sugars linked together by dehydration synthesis(pg.43)
  2. 2. building blocks of elements (pg.27)
  3. 3. Formed when two pair of electrons is shared between two atoms(pg.32)
  4. 4. Homogeneous mixture of components that may be gases, liquids, or solids(pg.29)
  5. 6. Formed when two monosaccharides are joined by dehydration synthesis(pg.43)
  6. 8. The capacity to do work, or to put matter into motion (pg.24)
  7. 9. Unique substances that cannot be broken down into simplier substances by ordinary chemical bonds (pg.25)
  8. 10. Energy stored in chemical bonds(pg.24)
  9. 11. Energy Stored (pg.24)
  10. 12. Net positive charge(pg.32)
  11. 14. A group of molecules that includes sugars and starches(pg.43)
  12. 15. Substances composed of two or more components physically intermixed(pg.29)
  13. 19. The number of protons in the nucleus of an atom(pg.27)
  14. 20. Flat molecules made up of four interlocking hydrocarbon rings(pg.47)
  15. 21. Organic compounds insoluble in water but soluble in other lipids and in organic solvents(pg.43)
  16. 23. Single most abundant compound in the body(pg.38)
  17. 25. Study of the chemical compositions and reactions of living matter(pg.38)
  18. 28. Same number of protons(and electrons)but different number of neutrons(pg.27)
  19. 29. An atoms outermost energy level(pg.31)
  20. 34. Proton acceptors(pg.39)
  21. 35. Heterogeneous mixture containing dispersed or suspended particles in the dispersion medium(pg.30)
  22. 38. Heterogenous mixture with large, often visible solutes ta tend to settle out(pg.30)
  23. 40. A substance formed from two or more different elements chemically bonded(pg.28)
  24. 41. Atoms combining with other atoms to form chemical compounds(pg.31)
  25. 45. Ionic compounds that dissolve in water an acts as electrolytes(g.39)