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Element or compound

Exercise and reference answers

Left
Element
Items
  1. Region
    Element
    Item
    One kind of atom
  2. Region
    Element
    Item
    Cannot be split
  3. Region
    Compound
    Item
    Two kinds plus
  4. Region
    Compound
    Item
    Fixed ratios
  5. Region
    both
    Item
    A pure substance
  6. Region
    both
    Item
    Has a formula
Right
Compound
Instructions
Drop each property into its class, or into the overlap.

Explanation

_Source: syllabus Chemistry Part I, Unit 1 'Some Basic Concepts of Chemistry'_
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