General Chemistry

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