Atomic Structure Crossword

Edit Answers
1234567891011121314151617
Across
  1. 3. This is an atom of the same element with a different number of neutrons
  2. 5. This element's most common isotope has a mass number of 12
  3. 7. This is used to organize all elements in order by atomic number
  4. 12. These go left to right on the periodic table
  5. 14. This is different for every element and tells us our number of protons
  6. 16. This is the center of an atom that holds protons and neutrons
  7. 17. This has a mass of 1 and a charge of 0, found in the nucleus
Down
  1. 1. You get this when you add your protons and neutrons together
  2. 2. This cannot be broken down in a simpler substance and is organized on the periodic table
  3. 4. This has a mass of 1 and a charge of +1, found in the nucleus
  4. 6. This is the smallest piece of matter
  5. 8. This is the area around an atom where electrons live
  6. 9. This has a mass of 0 and a charge of -1, found in the cloud around the nucleus
  7. 10. This element has the atomic number 13
  8. 11. This is the first element on the periodic table
  9. 13. These are the electrons on the outermost ring of an atom
  10. 15. These go up and down on the periodic table