Properties of Matter

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Across
  1. 1. Measurement of the amount of H+ a substances releases or removes when dissolved in water
  2. 6. Number of protons and neutrons in an atom
  3. 8. Elements which conduct heat and electricity
  4. 12. Energy within a substance due to the motion of its particles
  5. 14. Change in matter from a solid directly to a gas
  6. 15. Bond formed between oppositely charged metal and nonmetal ions
  7. 16. The flow of thermal energy from hot to cold
  8. 18. Attraction of water molecules to other polar substances
  9. 21. Transfer of thermal energy by direct contact
  10. 23. Elements that behave like metals & non-metals
  11. 26. Definite volume and definite shape
  12. 30. Ability of water to dissolve most compounds due to its polar nature
  13. 31. Pure substance composed of 2 different elements
  14. 33. Compounds, especially water, that have oppositely charged ends
  15. 34. Compounds that have a pH of 7
  16. 35. Positively charged subatomic particle of an atom
  17. 36. Elements which don't conduct heat & electricity
  18. 37. Neutrally charged subatomic particle of an atom
  19. 39. When atoms lose or gain electrons and develop positive or negative charges
  20. 40. Number on the periodic table that is rounded off to determine the mass number
Down
  1. 2. Ability to water to absorb a lot of thermal energy before increasing in temperature
  2. 3. Bond formed when a hydrogen atom on one molecule forms a weak bond with an oxygen or nitrogen atom on another molecule
  3. 4. Change in matter from a gas directly to a solid
  4. 5. No definite volume nor shape
  5. 7. Smallest particle of matter
  6. 9. Bond formed when metal atoms share a sea of electrons
  7. 10. Negatively charged subatomic particle of an atom
  8. 11. Bond formed when nonmetals share electrons
  9. 13. Transfer of thermal energy through electromagnetic waves
  10. 17. Compounds capable of conducting electricity when dissolved in water
  11. 19. Compounds that release H+ when dissolved in water and have a pH below 7
  12. 20. Compounds that remove H+ from water and have a pH above 7
  13. 22. Attraction of one water molecule to another water molecule due to the hydrogen bonds
  14. 24. Number of protons or electrons on table
  15. 25. Definite volume but no definite shape
  16. 27. The movement of water up a thin tube due to cohesion and adhesion
  17. 28. Transfer of thermal energy through the movement of particles within fluids
  18. 29. Measurement of the motion of particles within a substance
  19. 32. The ability of water to resist external forces at the surface due to the hydrogen bonds
  20. 38. Pure substance made of only one type of atom