Other questions in this quiz

2. what is the symbol for potassium

  • Cu
  • Pa
  • K
  • P

3. what is the formula for water

  • Na O
  • H O
  • O
  • CO

4. what is Na O ?

  • sodium oxide
  • calcium carbonate
  • nitrate oxide
  • carbon dioxide

5. what is carbon dioxide made of

  • 1 copper atom and 1 oxygen atom
  • 2 carbon atoms and 1 oxygen atom
  • 1 carbon atom and 2 oxygen atoms
  • 2 carbon atoms and 2 oxygen atoms

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