2Q_SCI9_WW1_Crossword Labs

Edit Answers
123456789101112131415161718192021
Across
  1. 3. Element that belongs to Group 3A and Period 2
  2. 4. Collective name for the elements in Group VIIA
  3. 6. first word of the collective name for the elements in Group VIIIA
  4. 8. Classification of elements that exhibit properties of both metals and nonmetals
  5. 9. First element in Group 5A
  6. 10. word that describes the repeating chemical properties of elements
  7. 12. English chemist who proposed the law of octaves
  8. 14. first element in the periodic table
  9. 17. an atom or group of atoms that has a net positive or negative charge
  10. 18. term used for the electrons in the outermost shell of an atom
  11. 20. elements found in the longer columns of the periodic table, also called A groups
  12. 21. Russian chemist who proposed the arrangement of elements based on increasing atomic masses
Down
  1. 1. elements found in the shorter columns of the periodic table, also called B group
  2. 2. classification of elements that tend to form cations
  3. 5. number of electrons in the outermost shell of a carbon atom
  4. 7. particles found in the nucleus aside from neutrons
  5. 11. sanskrit word that means "first"
  6. 13. collective name for the elements with atomic numbers 58 to 71
  7. 15. vertical arrangements of elements in the periodic table
  8. 16. Another term for the horizontal arrangement of elements in the periodic table
  9. 19. Horizontal arrangements of elements in the periodic table