The Periodic Table

1234567891011121314151617181920
Across
  1. 3. as "like a metal", which means that they conduct heat and electricity moderately well, and possess some properties of metals and some properties of non-metals.
  2. 5. Are elements that appear dull and are poor conductors of heat.
  3. 11. chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.
  4. 13. positively charged ion is called
  5. 14. type of covalent bond in which the electrons forming the bond are unequally distributed
  6. 15. In the same group with the same electron configuration in their valence electron.
  7. 16. Are elements that are shiny, ductile, and good conductors of heat and electricity.
  8. 17. the vertical columns on the table. These define a "family" of elements which have similar chemical properties
  9. 18. Electrons in this shell are called
  10. 20. negatively charged ion is called
Down
  1. 1. The outermost layer of an atom.
  2. 2. Formed between non-metals and metals through an electron transfer.
  3. 4. An atom or a molecule that has an electrical charge is called
  4. 6. A group of elements that has full octet electrons.
  5. 7. He reported the discovery of a new gaseous element ARGON This element is chemically inert and did not fit any of the known periodic groups.
  6. 8. The horizontal rows on the table, with the elements arranged in order of increasing atomic number.
  7. 9. English chemist who presented another way of classifying and organizing the elements.
  8. 10. Eight valence electrons is described by the
  9. 12. Non-metals form blank by sharing an electron-pair between them.
  10. 19. Element with the lowest electronegativity.