General Chemistry

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Across
  1. 3. process in which a gas changes directly to a solid without going through the liquid state
  2. 6. the study of the chemistry of life
  3. 8. something that was forced to be mixed
  4. 12. any material that is not a mixture
  5. 15. Any characteristic that can be determined without changing the substance’s chemical identity.
  6. 17. is a chemical substance that cant be divided or changed into other chemical substances by any ordinary chemical means
  7. 18. process used to separate solids from liquids or gases using a strainer
  8. 19. is a negatively charged subatomic particle
  9. 21. (state of matter) characterized by particles arranged such that their shape and volume are relatively stable.
  10. 22. process through which a substance changes from a liquid to a solid
  11. 23. Any characteristic that can be determined only by changing a substance’s molecular structure.
  12. 26. to pass through a sieve so as to separate the coarse from the fine particles
  13. 28. Any characteristic of matter that does not depend on the amount of the substance present.
  14. 30. chemical element with the symbol Cl
  15. 32. chemical element with the symbol Si
  16. 33. is the smallest object that retains the properties of an element
  17. 35. combination of two or more substances
  18. 36. is the power to attract
  19. 37. a neutral subatomic particle found in the atomic nucleus
  20. 38. the conversion of liquid to gas
  21. 41. are good conductors of heat
  22. 43. when heat is applied to solid
  23. 44. a homogenous mixture of two or more element
  24. 46. is a subatomic particle found in the nucleus of every atom
  25. 48. chemical element with the symbol Au
  26. 49. when a solid is converted directly into gas
Down
  1. 1. chemical element with the symbol H
  2. 2. poor thermal conductors
  3. 4. does not have a definite composition and is non uniform
  4. 5. A substance made up of two or more elements that are joined together in a fixed ratio.
  5. 7. occurs when a gas loses energy
  6. 9. of matter) consisting of particles that have neither a defined volume nor defined shape.
  7. 10. are ordorless, colorless, monotonic gases.
  8. 11. the study of the chemistry of matter
  9. 12. the study of chemistry in physics
  10. 13. process by which water changes from a liquid to a gas or vapor.
  11. 14. Also known as semi-metals .have mostly non-metallic properties.
  12. 16. is a particle made up of two or more atoms that are chemically bonded together
  13. 20. the substance that is dissolved or scattered
  14. 23. is the study of matter and the chemical reactions between substances.
  15. 24. process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid
  16. 25. a method in which two or more components of different sizes are separated from a mixture on the basis of the difference in their sizes.
  17. 27. has definite composition, and specific properties.
  18. 29. the study of chemical processes that occur inside of living organisms
  19. 31. consists of highly charged particles with extremely high kinetic energy.
  20. 34. is the method in which heavier components of the mixture are separated from the lighter substances with the help of wind
  21. 39. the study of inorganic compounds
  22. 40. is anything that has mass and takes up space.
  23. 42. (state of matter) has a definite volume, it does not have a definite shape.
  24. 45. chemical element with the symbol O
  25. 47. Any characteristic of matter that depends on the amount of matter being measured.