Chapter 3 Vocabulary

12345678910111213141516171819202122232425
Across
  1. 4. covalent bond where electrons are shared equally
  2. 6. covalent bond in which electrons are shared unequally
  3. 7. diagram that shows the number of valence electrons in an atom
  4. 8. number of protons in an element
  5. 10. attraction between two oppositely charged ions
  6. 14. attraction between a positive metal ion and the electrons surrounding it
  7. 17. groups of symbols that shows the ratio of elements in a compound
  8. 20. orange on the table; react by gaining or sharing electrons
  9. 22. electrons with the highest energy
  10. 23. rows on the periodic table
  11. 24. positively charged subatomic particle
  12. 25. tell the ratio of elements in a compound
Down
  1. 1. force of attraction that hold atoms together
  2. 2. columns on the periodic table
  3. 3. formed when 2 atoms share electrons
  4. 5. atom with an electric charge
  5. 9. negatively charged subatomic particle
  6. 11. group 18 on the periodic table
  7. 12. neutral subatomic particle
  8. 13. center of the atom (positively charged)
  9. 15. what all elements are composed of
  10. 16. orderly three-dimensional arrangement formed by ions
  11. 18. neutral group of atoms formed by covalent bonds
  12. 19. lie along the zizzag line on the periodic table
  13. 21. blue on the periodic table; react by losing valence electrons