Cards (5)

  • What is a compound?
    Two or more elements combined chemically in fixed proportions which can be represented by formulae.
  • Do compounds have the same properties as their constituent elements?
    No, they have different properties.
  • What are ions?
    Ions are charged particles. They are formed when atoms lose electrons (positive ions) or gain (negative ions) electrons.
  • What is formed when a metal reacts with a non-metal?
    An ionic compound (made up of positive and negative ions).~
  • What is formed when a non-metal reacts with a non-metal?
    A molecular compound containing covalently bonded atoms. Atoms share electrons, as opposed to transferring electrons between each other (ionic compounds).