Elements,Compounds and Mixtures

• What is an element?

  A pure substance that cannot be broken down
• What is an element made from?

  Just one type of atom
• How are particles arranged in a solid element?

  • Particles are close together
  • Arranged in a regular way
• How are particles arranged in a liquid element?

  • Particles are close together
  • Arranged in a random way
• How are particles arranged in a gaseous element?

  • Particles are far apart
  • Arranged in a random way
• What is a compound?

  A pure substance made from more than one element
• How are elements in a compound bonded?

  They are chemically bonded together
• What makes separating elements in a compound difficult?


  They are chemically bonded together
• What does a particle diagram for a compound show?


  • More than one type of atom