Chemistry Crossworld

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Across
  1. 1. two protons and two electrons tightly bound together
  2. 7. planck's constant*frequency
  3. 8. relationship between frequency and wavelength
  4. 11. abbreviations used in chemistry for chemical elements
  5. 12. element with atomic number of 23
  6. 14. atomic number of hydrogen
  7. 15. atoms with a positive charge that have fewer electrons and protons
  8. 16. amount of matter in solid object
  9. 17. element that consists of 6 electrons, neutrons, and protons with mass number of 12
  10. 18. a subatomic particle of about the same mass as a proton but without an electric charge
  11. 22. what atoms that lose electrons become
  12. 24. atomic number of selenium
  13. 26. when atoms absorb energy
  14. 28. a table of the chemical elements arranged in order of atomic number
  15. 30. outside part of atom around atomic nucleus
  16. 31. particle with positive charge
  17. 32. element that consists of 5 electrons, neutrons, and protons with a mass number of 10
  18. 33. element that consists of 10 protons, electrons, and neutrons with a mass number of 20
  19. 35. same number of electrons and protons
  20. 37. atomic number of francium
  21. 38. letter z is used to represent it
  22. 39. what atoms are mostly made up of
  23. 40. total number of protons and neutrons
  24. 43. the distance between any given point and the same point in the next wave cycle
  25. 44. wavelength*frequency
Down
  1. 2. element with atomic number of 69
  2. 3. atomic number of calcium
  3. 4. the number of times a point on a wave passes a fixed reference point in one second
  4. 5. atomic number of krypton
  5. 6. fewer or more electrons in an atom
  6. 7. particle with negative charge
  7. 9. element with atomic number of 86
  8. 10. the position and the velocity of an object cannot both be measured exactly
  9. 13. radioactive form
  10. 17. property of matter containing more or less protons/electrons
  11. 19. wavelength region from 400 to 700nm
  12. 20. the center of an object made entirely of protons and neutrons
  13. 21. the rate of change of position of an object in any direction
  14. 23. colors in order of frequency, from least to greatest
  15. 25. what atoms become gain electrons become
  16. 27. nonradioactive form
  17. 29. element that has the same number of protons but different numbers of electrons
  18. 34. atoms with a negative charge that have fewer protons than electrons
  19. 36. minimum amount of energy that can be gained or lost by an atom
  20. 39. atomic number of sodium
  21. 41. element with atomic number of 58
  22. 42. made up of subatomic particles