C2.2 Bonding part 2

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Across
  1. 2. a substance that is usually dull, brittle, and a poor electrical or thermal conductor
  2. 5. small molecules that can join together to form polymer molecules
  3. 8. strong electrostatic force of attraction between oppositely charged ions
  4. 13. weak forces of attraction that exist between simple molecules
  5. 15. a section of a polymer molecule that is repeated many times in the molecules
  6. 16. a table in which elements are arranged in rows (periods) and columns (groups), in order of increasing atomic number
  7. 17. in the periodic table, a row in which the atomic number increases by 1 going from one element to the next
Down
  1. 1. a particle consisting of a few non-metal atoms joined together by covalent bonds
  2. 3. the strong electrostatic forces of attraction between delocalised electrons and metal ions
  3. 4. a compound containing oppositely charged ions from different elements
  4. 6. a type of compound formed when an element or compound gains oxygen
  5. 7. unable to carry electrical or thermal energy
  6. 9. substance with molecules made from many repeat units
  7. 10. able to be bent, hammered, or pressed into shape without cracking or shattering
  8. 11. feature of a substance that can be observed or measured, such as its melting point or colour
  9. 12. a substance that is usually shiny, malleable, ductile, and a good electrical or thermal conductor
  10. 13. charged particle formed when an atom, or a group of atoms, loses or gains electrons
  11. 14. the outermost occupied shall in an atom