Things to Know

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Across
  1. 2. has the symbol Fe
  2. 5. has 79 protons
  3. 6. pills for radiation
  4. 8. chemical formula for Sulfuric Acid
  5. 10. Number 15 on the periodic table
  6. 13. has an atomic number of 35
  7. 15. huge gains
  8. 16. often used in weapons
  9. 17. has an atomic number of 65
  10. 19. K
  11. 20. a substance that cannot be broken down, distinguishable by its atomic number
  12. 21. sheep
  13. 22. a thing that is composed of two or more separate elements; a mixture.
  14. 23. chemical formula for Nitric Acid
Down
  1. 1. an element named after a pirate
  2. 3. sliver of Ag
  3. 4. has 29 protons
  4. 7. Atoms with the same number of protons but different numbers of neutrons are called isotopes.
  5. 9. the element with 16 protons
  6. 11. chemical formula for Hydrochloric Acid
  7. 12. Uranus's element
  8. 13. moo moo
  9. 14. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  10. 18. the basic unit of a chemical element.
  11. 21. dude