Chem Project

12345678910111213141516171819202122232425
Across
  1. 2. because they are called this bevause theyu break easily
  2. 3. A.K.A. "rare metals"
  3. 7. Metals and non-metals must ___ bond
  4. 9. Les reactive than alkali metals
  5. 13. All elements from groups 1, 2 & 13-18 have a ___ change
  6. 14. Alkaline Earth Metals form ___ when reacting with water
  7. 15. Multiple oxidations states
  8. 17. How was the periodic table organized?
  9. 19. Halogens are ___ reactive with non-metals
  10. 21. Every Actinides is considered ___
  11. 23. essentially non-reactive
  12. 24. Metals become ___ ions
  13. 25. Who is credited for designing the first periodic table?
Down
  1. 1. ___ electrons are the outermost electrons
  2. 4. A singular non-metal found in he upper left corner
  3. 5. Violently react with non-metals
  4. 6. Metals ___ electrons
  5. 8. Valence electrons are the elements with the ___ energy level
  6. 10. High melting points, and are ductile
  7. 11. acts as a bisectior across the table for Non-metals and Metals
  8. 12. Has Cobalt, takes up a majority of the table,bottom left.
  9. 16. Alkalai is the ___ reactive metal
  10. 18. Who created the modern periodic table?
  11. 20. Metalloids can change this easily or it could be difficult.
  12. 22. Are formed from a transfer of electrons