Unit 1 crossword

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Across
  1. 1. A section of the periodic table that comprises nonmetals not forming in nature (they react with metals to form salts)
  2. 7. purest form of a substance, made up of uniform matter
  3. 8. The ability of a material to be stretched, pulled, or drawn into thin wire without breaking
  4. 9. unit of mass used to express atomic and molecular traits
  5. 10. Particle The particles that make up an atom
  6. 11. number of atoms in one molecule of an element
  7. 12. A column on the periodic table in which every element has the same number of valence electrons
  8. 14. gas A gaseous chemical element that doesn't react with other elements
  9. 16. A row of the periodic table where every element has the same amount of energy levels
  10. 18. electrons the electrons residing on the outermost energy level of an atom
Down
  1. 2. Cloud the place electrons inhabit in an atom
  2. 3. negatively charged subatomic particle
  3. 4. Table An organized list of elements based on increasing atomic number
  4. 5. The capability of an atom/molecule to chemically react with another atom/molecule
  5. 6. Building blocks of matter
  6. 9. Radius, total distance from the nucleus to the outermost orbital of its electron
  7. 10. Representation of an element using 1 or 2 letters
  8. 13. positively charged subatomic particle
  9. 15. neutrally charged subatomic particle
  10. 17. the center of an atom