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Ozone or dioxygen

Exercise and reference answers

Left
Ozone
Items
  1. Item
    Pale blue gas
    Answer
    Ozone
  2. Item
    Has a smell
    Answer
    Ozone
  3. Item
    Blocks UV rays
    Answer
    Ozone
  4. Item
    Colourless gas
    Answer
    Dioxygen
  5. Item
    Odourless gas
    Answer
    Dioxygen
  6. Item
    Half the crust
    Answer
    Dioxygen
Right
Dioxygen
Instructions
Swipe left for ozone, right for dioxygen.

Explanation

_Source: syllabus Chemistry, Chapter 7, The p-Block Elements._
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