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The atom challenge

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  • The smallest building block of matter is..........?
    The atom
  • Protons have a negative charge. true or false?
    false
  • Is water a molecule, a compound or both?
    both
  • What charge do electrons have?
    negative
  • What is the chemical formula for water? Write it on the board.
  • What is the chemical symbol for hydrogen?
  • What is the chemical symbol for iron?
  • What element can we find in blood?
    Iron
  • The smallest unit of matter is an element. true or false?
    false
  • What is the chemical formula of carbon dioxide? write it on the board
  • What do we find in the nucleus of an atom?
    protons and neutrons
  • What is the region where the electrons orbit?
    shells
  • Where are protons and neutrons found?
    In the nucleus
  • Is a compound made up of only one type of atom? yes or no
    no
  • What would a carbon molecule look like? Draw it on the blackboard.
  • What is the chemical symbol for oxygen?
  • What charge do neutrons have?
    neutral
  • What is O2 (part of air), a molecule or a compound?
    molecule
  • How are atoms bonded together?
    Chemical bonds
  • Oxygen is an element. true or false?
    True
  • What is the chemical symbol for carbon?
  • What charge do protons have?
    positive