placeholder image to represent content

Post 9 Weeks Review pt 1

Quiz by Laquetta Allen

Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

New Quizalize solo game modes
25 questions
Show answers
  • Q1
    True/False A compound is a pure substance containing two or more kinds of atoms.
    True
    False
    30s
  • Q2
    Which equation satisfies the Law of Conservation of Mass?
    C3H8 + O2 → CO2 + H2O
    C3H8 + 5O2 → 3CO2 + 4H2O
    C3H8 + O2 → 3CO2 + 4H2O
    30s
  • Q3
    How can the element carbon be classified?
    nonmetal
    metalloid
    metal
    30s
  • Q4
    Which best describes the classification of an element that is a shiny solid, conducts electricity, and has an atomic mass of approximately 108?
    It is a metal.
    it is a synthetic
    it is a metalloid
    30s
  • Q5
    How many protons are in a sodium atom?
    3
    11
    1
    30s
  • Q6
    Which demonstrates a chemical change?
    molten gold freezing to form a ring
    ice melting in a warm soda
    breaking a cold pack, causing a sudden drop in temperature
    30s
  • Q7
    In a chemical reaction, what is the best description of a molecule’s movement when the temperature decreases?
    movement stays the same
    movement increases
    movement decreases
    30s
  • Q8
    When a marshmallow is toasted over a fire, which is the best description for what happens to the outside of the marshmallow?
    Physical Change
    Chemical Change
    Enzyme Change
    30s
  • Q9
    Which is the best term to describe a chemical reaction that absorbs heat energy?
    catalytic
    endothermic
    exothermic
    30s
  • Q10
    Which elements are most likely to react in the same manner in a chemical reaction?
    elements in the same period
    elements with similar atomic masses
    elements in the same group
    30s
  • Q11
    Which best explains how elements are arranged on the modern periodic table?
    Elements are arranged from most protons to fewest protons.
    Elements are arranged from fewest neutrons to most neutrons.
    Elements are arranged from fewest protons to most protons.
    30s
  • Q12
    Which property is unique for each element?
    atomic number
    mass number
    state of matter
    30s
  • Q13
    What chemical reaction results in the formation of a solid?
    endothermic
    precipitate
    acid base reaction
    30s
  • Q14
    Which best represents a balanced equation?
    Mg(s) + O2(g) ---> 2MgO(s)
    Mg(s) + 2O2(g) ---> 2MgO(s)
    2Mg(s) + O2(g) ---> 2MgO(s)
    30s
  • Q15
    What is the best evidence that a gas has been produced in a chemical reaction?
    formation of bubbles
    change in temperature
    change in color
    30s

Teachers give this quiz to your class