Chapter 2 Review

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Across
  1. 3. A weak or strong electrical attraction that holds atoms
  2. 5. covalently bonded molecules that are electrically balanced
  3. 7. Table a chart identifying the 92 elements found in nature
  4. 10. How many valence electrons does the element N have?
  5. 11. How many valence electrons does the element Cl have?
  6. 12. A negatively charged ion
Down
  1. 1. Ammonia is what type of bond?
  2. 2. Molecule occur when atoms share electrons unequally
  3. 4. Oxygen is consider a blank covalent bond
  4. 6. A positively charged ion
  5. 8. An atom that has an electrical charge,whether positive or negative
  6. 9. The number of positively-charged