Ian S. Sidney - Crossword Puzzle - Science 8B/Relevance

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Across
  1. 6. Negatively charged outside nucleus
  2. 7. Matter is composed of one type of atom
  3. 11. Has a definite shape and volume, with molecules vibrating in place with normal pattern
  4. 12. Electrons traveling in specific energy levels around the nucleus
  5. 14. Neutral charged in nucleus
  6. 18. Composed mostly of protons and neutrons ( subtract to get number of neutrons)
  7. 19. Has no definite shape of volume, molecules are very far apart and move quickly
Down
  1. 1. The number of protons and electrons in an atom
  2. 2. A group of atoms bonded together
  3. 3. All matter is made up of this
  4. 4. A table were element are organized by an increasing atomic number
  5. 5. This person is best remembered for formulating the Periodic Law and creating a farsighted version of the periodic table of elements.
  6. 8. Located in the center of any atom
  7. 9. Positively charged in nucleus
  8. 10. Atoms of two or more elements combined
  9. 13. The mass per unit of volume
  10. 15. a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory
  11. 16. A definite volume with no definite shape, molecules loosely packed and slip past on another
  12. 17. a property of a physical body and a measure of its resistance to acceleration when a net force is applied