elements,atoms and molecules!

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Across
  1. 2. Menddeev the creator of the periodic table
  2. 5. negative charge
  3. 7. the elements that have properties of metals and nonmetals
  4. 8. are made of only one type of atom
Down
  1. 1. the positive charge
  2. 3. elements that are hard, shin and able to conduct electricy
  3. 4. table have the elemnts and atomic number
  4. 6. are the building blocks of mater
  5. 7. are formed when 2 or more atoms are conbined