Chemistry

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Across
  1. 8. What do we call an atom or a group of atoms with a negative charge?
  2. 9. Write the electron configuration of Lithium simplified
  3. 10. What is the lightest element with an atomic symbol not related to its English name
  4. 11. Write the formula of Ammonium Nitrate
  5. 15. Write the electron configuration of Neodymium simplified
  6. 19. Name one of the four elements named after Ytterby, a village in Sweden near Vauxholm
  7. 20. Write the electron configuration of Krypton simplified
  8. 21. Which one is stronger, metallic bonding or ionic bonding?
  9. 23. The heaviest element with a one letter atomic symbol is
  10. 24. What is the formula of Oxide and Lead (IV)?
Down
  1. 1. For what element does La stand for?
  2. 2. What was the first element to be produced artificially?
  3. 3. What is the formula of Chloride with Zinc?
  4. 4. An allotrope of carbon that is soft and can be used as a lubricant is
  5. 5. Write the formula of Manganese(IV) Nitride
  6. 6. What are atoms of the same element that have a different number of neutrons called?
  7. 7. Write the electron configuration of Radon simplified
  8. 9. Write the electron configuration of Nobelium simplified
  9. 12. Write the formula of Beryllium Oxide
  10. 13. An ion composed of two or more atoms.
  11. 14. What is the name given to the semiconductor device that has three or more elements?
  12. 16. Which one of the diatomic elements, F, Cl, Br, I, H, N, or O can you not draw an adequate electron dot structure for?
  13. 17. If iron loses three electrons, it forms the _____ ion.
  14. 18. Which noble gas is used in the electron configuration for the elements in the fourth period?
  15. 22. Which element is known to strengthen bones and teeth?