Element crossword

12345678910111213
Across
  1. 4. The horizontal rows of the periodic table
  2. 5. The name of the 17th group in the periodic table and is extremely reactive.
  3. 6. The name of the elements in group 2. Ex: Be, Mg and Ca (3 words)
  4. 8. Number The number of protons and electrons in an atom, determines the element (2 words).
  5. 10. The Russian Chemist who created the periodic table (two words)
  6. 11. The name of the elements in group 17, which are reactive.
  7. 12. The name of the elements in group 1 excluding hydrogen, which are extremely reactive (2 words)
Down
  1. 1. The metals from group 2-12 that are not very reactive. (2 words)
  2. 2. an element or substance that is not a metal.
  3. 3. opaque, lustrous elements that are good conductors of heat and electricity
  4. 7. The name of the last group in the periodic table, which are not in the slightest reactive (2 words).
  5. 9. an element (e.g. arsenic, antimony, or tin) whose properties are intermediate between those of metals and solid nonmetals or semiconductors.
  6. 13. the mass of an atom of a chemical element expressed in AMU. (2 words)