Periodic Table Vocab

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Across
  1. 3. the process of adding or removing electrons from an atom or molecule, which gives the atom or molecule a net charge
  2. 6. one of the elements of Group 17
  3. 8. one of the elements of Group 1 of the periodic table
  4. 13. an element in the s-block or p-block of the periodic table
  5. 14. an atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge
  6. 16. a member of the rare earth series of elements that range from 58 to 71
  7. 18. the energy required to remove an electron from an atom or ion
Down
  1. 1. an ion that has a positive charge
  2. 2. an arrangement of elements in order of their atomic number
  3. 4. the energy needed to remove an electron from a negative ion to form a neutral atom or molecule
  4. 5. one of the elements of Group 2 of the periodic table
  5. 7. one of the metals that can use the inner shell before using the outer shell to bond
  6. 9. an electron that is found in the outermost shell of an atom and that determine the atom’s chemical properties
  7. 10. a measure of the ability of an atom in a chemical compound to attract electrons
  8. 11. one-half of the distance between the center of identical atoms that are not bonded together
  9. 12. any of the series of heavy radioactive elements that range from 90 to 103
  10. 15. the law that states the repeating chemical and physical properties of element change.
  11. 17. an ion that has a negative charge