Periodic Table

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Across
  1. 2. These metals are radioactive
  2. 3. Lanthanides can be classified by their abundance in Earth's _____
  3. 7. Alkaline earth metals are found as _______
  4. 8. These are colorless,odorless and tasteless
  5. 9. Atoms with a charge
  6. 13. Halogens are located in group ___
  7. 14. _______ are non metals
  8. 16. First person to design the periodic table but was not able to get it published
  9. 17. Metalloids are located on the ______ in the periodic table
  10. 19. Moseley arranged the periodic table by increasing
  11. 22. Valence electrons are the _______ electrons
  12. 24. These metals are shiny and silvery white
  13. 26. Transition metals are found in groups 3-__
  14. 27. These metals are ductile and malleable
  15. 29. These are solid at room temperature
Down
  1. 1. Metals become positive ions called
  2. 4. Reactivity tells us how likely a _______ is to interact with a second substance
  3. 5. First person to publish the periodic table
  4. 6. Non metals can be classified in three main groups such as
  5. 10. Theses are dull,brittle and have low density
  6. 11. Metals are highly _______ and corrosion
  7. 12. Lewis Dot Structure provides a way to visualize an atom's ______ and potential to bond
  8. 15. Noble gases are distinguished by their full valence ______ shell
  9. 18. These type of metals are gray white luster when cut
  10. 20. ________ are good conductors of heat and electricity
  11. 21. Ions are formed from a ______ of electrons
  12. 23. _______ is the tendency of a substance to undergo a chemical reaction
  13. 25. This type of metal is extremely soft
  14. 28. Alkali metals are located in group ___
  15. 30. Non metals become negative ions called