Periodicity Vocab

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Across
  1. 1. total charge in the nucleus of all the protons
  2. 6. atomic numbers 89-103
  3. 8. the occurrence of similar properties of elements on a definite interval
  4. 9. the result of an unpaired electron having a magnetic dipole moment
  5. 13. metallic elements in the central block of periodic table
  6. 14. atomic numbers 57-71; rare-earth metals
  7. 15. the phase of catalysts is the same as reactants/products
  8. 20. physical phenomenon in which certain electrically uncharged materials strongly attract others
  9. 21. ions/molecules that bind to a central metal atom
Down
  1. 2. number of atoms/molecules/ions bonded to a substance
  2. 3. a rows and columns arrangement of the elements
  3. 4. columns on periodic table
  4. 5. any ion containing more than one atom
  5. 7. the property of a material that causes it to create a magnetic field
  6. 10. elements of group 1
  7. 11. the phase of catalyst differs from that of the reactants/products
  8. 12. chemical compounds that bind to metal ions
  9. 16. unreactive elements of group 18
  10. 17. reduction in the effective nuclear charge on electron cloud
  11. 18. elements of group 17
  12. 19. rows on periodic table