Elements and Compounds: 7SCIM

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Across
  1. 1. The vertical columns in the periodic table are called?
  2. 3. The horizontal rows in the periodic table are called?
  3. 7. These elements are poor conductors
  4. 8. Iron is an example of a ___
  5. 10. The first element is the period table is?
  6. 11. A substance made up of 2 or more elements that are chemicall bonded
Down
  1. 2. ____ have a positive charge
  2. 3. Niels Bohr proposed the ____ model
  3. 4. What is the chemical symbol Fe
  4. 5. A substance made up of one type of atom
  5. 6. A substance that is not chemically bonded
  6. 9. The salt molecule is made of a Clorine atom and ___ atom