Periodic table

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Across
  1. 5. has the character of Shiny,And malleable.
  2. 7. An arrangement of elements showing the repeating pattern
  3. 10. The number under the Chemical Symbol.
  4. 11. It has no electric charge.
Down
  1. 1. The letter below the atomic number.
  2. 2. the number of protons in the nucleus of atom is the________.
  3. 3. opposite traits of Metals.
  4. 4. the horizontal line on the periodic table.
  5. 6. The basic building block of matter.
  6. 8. Contain negative charged particle.
  7. 9. The elements in a column form is a _ _ _ _ _.