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Unit 1 Review Questions - Part 1

Quiz by Heather Murphy [White MS]

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21 questions
Show answers
  • Q1
    Pure substances, such as oxygen and carbon, are classified as:
    Molecules
    Gases
    Compounds
    Elements
    30s
  • Q2
    The definition of MATTER is:
    How much something weighs on the moon
    Energy that is sped up
    Anything that has mass and volume
    The amount of space something takes up
    30s
  • Q3
    What is the smallest unit of an element that still has the properties of that element?
    A compound
    An electron
    A molecule
    An atom
    30s
  • Q4
    Particles that orbit around the center of an atom are called:
    Orbitals
    Satellites
    Electrons
    Protons
    30s
  • Q5
    Subatomic particles with a negative charge are known as:
    Electrons
    Neutrons
    Protons
    Quarks
    30s
  • Q6
    Subatomic particles with no charge are known as:
    Protons
    Electrons
    Quarks
    Neutrons
    30s
  • Q7
    Subatomic particles with a positive charge are known as:
    Quarks
    Electrons
    Neutrons
    Protons
    30s
  • Q8
    Imagine that you remove all of the atoms from this desk. What remains?
    A desk with a smaller mass
    The same desk
    Nothing
    A pile of dust
    30s
  • Q9
    All molecules are compounds?
    False
    True
    30s
  • Q10
    All compounds are molecules.
    True
    False
    30s
  • Q11
    This diagram shows an oxygen gas molecule. Oxygen gas is:
    Question Image
    A molecule
    Both a molecule and a compound
    A compound
    Neither a molecule nor a compound
    30s
  • Q12
    This diagram shows a methane gas molecule. Methane is:
    Question Image
    A molecule
    Neither a molecule nor a compound
    Both a molecule and a compound
    A compound
    30s
  • Q13
    During a chemical reaction:
    Two of these are correct
    New atoms form
    Chemical bonds break
    Matter is destroyed
    30s
  • Q14
    Which of the following is a synthetic substance?
    Cotton
    Plastic
    Wood
    Water
    30s
  • Q15
    A student puts two chemicals into a sealed container so nothing can get in or out. A chemical reaction occurs inside the container. After the chemical reaction occurs, what happens to the weight of the container?
    The weight will depend on the type of chemical reaction that occurs
    The weight will increase
    The weight will stay the same
    The weight will decrease
    30s

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