Science 8 (Chemistry Crossword Puzzle)

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Across
  1. 6. The particles in the liquid state of matter are free to move past each other. That’s why it can liquid can ____.
  2. 7. Each main energy level in an atom has sub energy levels called ____.
  3. 9. The number of protons of an element.
  4. 10. Are places in the subshell where electrons are more likely to be found.
  5. 12. Subatomic particle with a positive charge.
  6. 13. The basic unit of an element.
  7. 14. The table in which the names of the different kinds of elements are listed.
  8. 19. The change from gas directly to solid.
  9. 21. The change from gas to liquid.
  10. 22. Are electrons that participate in the formation of a chemical bond.
  11. 24. The measure of the hotness or coldness of matter.
  12. 25. The form of energy involved in the changes of physical state of matter.
  13. 26. Change from liquid to solid.
  14. 28. Subatomic particles that are neutral.
  15. 29. A process or a change that releases energy.
  16. 30. Are pure matter whose smallest particles are called molecules.
  17. 32. The phase of matter when it has a definite shape and volume at a given temperature.
  18. 33. Phase of matter when it has no definite shape and volume.
  19. 38. A practical application of compressibility of a gas.
  20. 39. The only movement the particles in a solid state of matter can produce.
  21. 41. Liquid water can exist up to what temperature?(In Terms of Celsius)
  22. 43. The particles of a matter in gas state is far apart from each other and can be expanded or compressed, therefore, it is ______.
  23. 44. Neutron and proton, collectively are called ___
  24. 46. Gases that are stored in a liquid state by compressing them in a pressurized metal tank.
  25. 47. Phase of matter that has a definite volume but has no definite shape.
  26. 48. A charged particle that is either an atom with excess proton or excess electron.
Down
  1. 1. A Russian Chemist who published a periodic table in 1869 and the updated version of his table was published in 1871.
  2. 2. The center of an atom.
  3. 3. The nucleus of an atom is so dense that all of the mass of the atom is ___ at the center.
  4. 4. A charged group due to unequal sharing of electrons among atoms.
  5. 5. Matter that consist s of two or more kinds of pure substances that are not chemically combined.
  6. 8. Every atom, except hydrogen is made up of three basic particles called ___.
  7. 11. The number of neutrons in an atom determines the _____of the element.
  8. 15. The way of distributing the electrons in their corresponding orbitals with the use of the Mnemonic Device.
  9. 16. Total kinetic energy of the particles of matter.
  10. 17. Are pure matter whose smallest particles are either atoms or molecules.
  11. 18. Electrons occupy a position also called energy levels.
  12. 20. Particles in a solid phase of matter are ____.
  13. 22. Change for liquid to gas.
  14. 23. The number of protons in an atom is equal to the number of _____.
  15. 27. Formed by the transfer of electrons between groups of atoms is called an _____.
  16. 31. Change from solid to liquid.
  17. 34. The smallest particle of matter.
  18. 35. When outer electrons in each atom are shared by two atoms the bond is called what?
  19. 36. The total number of protons plus neutrons is the ____ of an atom.
  20. 37. The change that happens in the nucleus.
  21. 40. Change of solid directly to gas.
  22. 42. If changes in physical state of matter needs energy ,the process is called ____.
  23. 45. Particles of solid matter are moving but on what position?