Reactivity series

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Across
  1. 1. metal with reddish-brown colour, used in wires, chemical symbol is Cu
  2. 6. very reactive metal with symbol Na, atomic number 11 in the Periodic Table
  3. 7. metal with chemical symbol Mg, produces hydrogen gas and generates heat when reacts with acid
  4. 8. metal, when reacts with oxygen it rusts, chemical symbol is Fe
Down
  1. 2. very reactive metal with symbol K, produces lilac flame
  2. 3. measure of how readily a substance undergoes a chemical reaction
  3. 4. very reactive metal with symbol Li, group 1 in the Periodic Table
  4. 5. gas with no colour and odour, chemical symbol is O