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Element and Elemental-

• An element refers to a distinctive atom.
  
  It is the differences between atoms and hence elements that are responsible for different types of matter such as copper metal (Cu), solid sulphur (S), nitrogen gas (N₂) and liquid mercury (Hg).
  
  
• Copper (Cu) and oxygen (O) are elements. Sulphur dioxide (SO₂), on the other hand, is a compound of the elements sulphur and oxygen.
  
  
• Elemental refers to substance in its pure form such as elemental sulphur (S). That is any substance made up exclusively of one type of atom.