• G7 Science- Review Mid 1
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  • Elements in period 7 have ____ electron shells.
    7
  • What PPE can you see in the picture ?
    • Safety goggles • Mask • Ear plugs / hearing protection • Safety gloves • Closed-toed shoes • Hair net / helmet • Lab coat
  • Can you guess what the symbolsmean?
    Highly flammable
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