Atom and Periodic Table stuff

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Across
  1. 3. Good for your bones.
  2. 5. The first element of the periodic table.
  3. 7. The first man-made element.
  4. 10. The 4 kinds of matter are made of Platonic solids that can be divided into triangles.
  5. 12. He conceptualized the mole.
  6. 14. The last element of the periodic table.
  7. 15. You can find it in bananas.
  8. 17. Used in wiring and for making alloys like bronze and brass..
  9. 18. His atomic model looks like a miniature solar system.
  10. 20. He became known as the Father of Chemistry.
  11. 22. 67 Ag
  12. 24. MSG but no S.
  13. 25. They perfected the use of steel and iron and manufactured glass, dyes, cement, solutions for textiles, and soap.
  14. 26. This atomic model resembles a cake with raisins embedded in it.
  15. 27. They adapted their own processes for metal, ceramic materials and on finding minerals, plants and substance for longer life.
  16. 28. His periodic table became the basis for the modern periodic table.
  17. 29. He found a relationship between the wavelengths of x-rays emitted by the element and its atomic number.
Down
  1. 1. Used to inflate balloons.
  2. 2. The most abundant element in the atmosphere.
  3. 4. A metal that is liquid at room temperature.
  4. 6. Element that rhymes with alimony.
  5. 8. In the quantum model, there are regions of space where you are likely to find electrons.
  6. 9. Element named after a dwarf planet.
  7. 11. An extremely unreactive element.
  8. 13. They used techniques from the Mesopotamians and perfected the use of bronze, dye, and glass that the Greeks copied later.
  9. 16. Displayed as the amount of protons in the nucleus of an atom.
  10. 19. Used to disinfect swimming pools.
  11. 21. A protoscience. Because of Aristotle's ideas, it became popular in the Western world.
  12. 23. The middle of an atom.
  13. 25. Pamplantsa pala 'to?