Electronic Structure of Atoms

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Across
  1. 2. A positively charged region at the center of the atom
  2. 4. The distance between two peaks of a wave
  3. 8. Whenever the number of protons differs from the number of electrons surrounding that nucleus
  4. 10. The capacity of doing work
  5. 11. The ability of a material to be stretched, pulled or drawn into a thin wire.
  6. 12. A particle of matter that uniquely defines a chemical element
  7. 15. Height of wave from a point called the origin
  8. 16. Side to side, a row on your periodic table. West and East
  9. 19. the amount of matter in a substance or an object
  10. 20. A tiny particle of matter that is smaller than an atom and has a negative electrical charge
Down
  1. 1. A measure of a solution' ability to conduct electricity.
  2. 3. Number of waves to pass a given point of time.
  3. 5. This has amplitude, and frequency.
  4. 6. Poor conductivity, dull, brittle
  5. 7. Highest point on one wave
  6. 9. Up and down on the periodic table. North and South
  7. 13. Medium conductivity, properties of both metals and non metals.
  8. 14. High conductivity,shiny, malleable and ductile
  9. 17. A pure substance that cannot be broken down by any physical or chemical means into simpler substances
  10. 18. A specific characteristic of a substance like an element or a compound