The Periodic Table

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Across
  1. 2. Which element in Group 1 is the only NON-metal?
  2. 5. This element is used in chlorophyll in plants.
  3. 8. Which element makes your voice higher pitched when inhaled?
  4. 10. To form covalent bonds, the two atoms must come in contact and *blank* their *blank* in the valance shell. Use a comma to seperate your answers. (e.g dog,cat)
Down
  1. 1. This element is used in batteries.
  2. 3. What’s the heaviest metal in Period 6?
  3. 4. The outermost shell is called the *blank* shell, fill in the blank.
  4. 6. What do elements in the same period all have the same about of?
  5. 7. Are covalenr bonds generally strong or weak?
  6. 9. Which meral has the most reactivity in Group 1?