Atomic theory and the periodic table

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Across
  1. 3. The number on the Periodic Table that tells you the number of protons.
  2. 5. The name of the elements on the right hand side of the Periodic Table.
  3. 7. Subatomic particle found in the nucleus of an atom.
  4. 9. Two or more atoms chemically bonded together.
  5. 13. This family of elements are chemically inert.
  6. 14. The element with the symbol Fe.
  7. 15. What elements in the same column are called because they have similar chemical properties.
  8. 16. The element with the symbol K.
Down
  1. 1. The columns in the Periodic Table.
  2. 2. The rows in the Periodic Table.
  3. 4. The Periodic Table contains all the different types of atoms, which are called __________.
  4. 6. The mass number, also called the atomic weight is the average number of protons and __________.
  5. 8. The element with the atomic number 9.
  6. 10. A negatively charged subatomic particle.
  7. 11. The name of the elements on the left hand side of the Periodic Table.
  8. 12. Two or more atoms from different elements chemically bonded together.