Atom and Periodic Table

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Across
  1. 1. The chemical element of atomic number is 30, a silvery-white metal that is a constituent of brass and is used for coating (galvanizing) iron and steel to protect against corrosion.
  2. 6. Resides in the nucleus
  3. 8. The chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.
  4. 9. An extremely small amount of a thing or quality.
  5. 10. The chemical element of atomic number 20, a soft gray metal.
  6. 12. A silvery-white metal, the chemical element of atomic number 28.
  7. 15. A coherent, typically large body of matter with no definite shape.
  8. 16. A positive charge in a part of a nucleus.
Down
  1. 2. A negative charge in a part of a nucleus.
  2. 3. The chemical element of atomic number 5, a nonmetallic solid.
  3. 4. A colorless, odorless, highly flammable gas.
  4. 5. is the chemical element of atomic number 2, an inert thatch is the light
  5. 7. The central and most important part of an object
  6. 11. A length or portion of time.
  7. 13. A red-brown metal, the chemical element of atomic number 29.
  8. 14. An airtight container made of tinplate or aluminium.