Periodic Table

Edit Answers
12345678910
Across
  1. 2. the smallest element in the periodic table
  2. 4. This element is represented by the symbol Cu
  3. 8. The name given to the number of protons in an element (two words)
  4. 9. A noble gas that is in the same period as Chlorine
  5. 10. A group of elements whose properties are very similar
Down
  1. 1. This element is represented by the symbol C
  2. 3. The name given to a substance which has identical atoms
  3. 5. A group of elements whose properties gradually change
  4. 6. The first reactive metal in Group 1
  5. 7. A transition element that is used to make steel