Maghera High School

Science 9B/20

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  • hydrogen
  • zinc
  • reactive
  • potassium
  • sodium
  • calcium
  • reactivity
  • series
  • appearance
  • conducts
  • electricity
  • melting
  • temperature
  • alloy
  • mercury
  • bronze
  • galvanising
  • solder
  • chromium
  • minerals