S1 Elements and the Periodic Table

1234567891011121314
Across
  1. 3. the element with the atomic number 22
  2. 5. every element has a different ______ number
  3. 8. what precious transition metal is used to make expensive jewellery (four letters)
  4. 9. elements are grouped together in the periodic table because they have similar chemical _________
  5. 10. if a compound name ends in ate, it must contain ________
  6. 13. what are found on the periodic table
  7. 14. a __________ contains different types of atoms which are not chemically joined
Down
  1. 1. lithium, potassium and sodium belong to the group called the _______ metals
  2. 2. the __________ are very reactive non-metals
  3. 4. you can separate a mixture of iron and sulfur using a ______
  4. 6. is carbon dioxide an element, compound or mixture?
  5. 7. the element represented by the symbol Li
  6. 11. carbon conducts electricity in the form of _________
  7. 12. the rows in the periodic table are called ________