Group 2A: Alkaline Earth Metals

Edit Answers
123456789101112131415161718
Across
  1. 1. Alkaline earth metals are ____ reactive than alkali metals.
  2. 6. Many mountain ranges contain alkaline earth _______.
  3. 7. Alkaline _____ metals are soft but harder than alkali metals.
  4. 8. Alkaline earth metals are not found in ______ in the elemental state.
  5. 10. example of a calcium-fortified food
  6. 12. What kind of ion is at the center of each chlorophyll molecule?
  7. 13. What is the condition in which bones become brittle and break easily?
  8. 17. Alkaline earth metals react with _____ to form ionic halides.
  9. 18. _____ is made by reduction of its oxide with aluminum at high temperature.
Down
  1. 1. Slaked lime reacts with carbon dioxide to form ________.
  2. 2. Barium ______ is used as a dry powdered bleach.
  3. 3. When exposed to air alkaline earth metals quickly form a tough, thin ____ coating.
  4. 4. What color is calcium carbonate
  5. 5. Alkaline earth metals have a grey white _____ when freshly cut.
  6. 6. What is a major component of bone and teeth?
  7. 9. discovered in 1798 by Nicholas Vauquelin
  8. 10. Alkaline earth metals react with ______ to form binary oxides.
  9. 11. Magnesium ions forms a bond with each _____ atom.
  10. 14. discovered in 1808 by Sir Humphry Davy
  11. 15. Salts of highly radioactive _____ are a by-product of uranium refining.
  12. 16. Alkaline earth metals are strong _______ agents.