Periodic table

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Across
  1. 3. the horizontal line on the periodic table.
  2. 5. the number of protons in the nucleus of atom is the________.
  3. 6. The letter below the atomic number.
  4. 9. opposite traits of Metals.
Down
  1. 1. The number under the Chemical Symbol.
  2. 2. An arrangement of elements showing the repeating pattern
  3. 4. has the character of Shiny,And malleable.
  4. 7. The elements in a column form is a _ _ _ _ _.
  5. 8. The basic building block of matter.