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Elements on Earth

Quiz by Karen Kuo

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7 questions
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  • Q1
    What is the most abundant element in Earth's crust?
    Aluminum (Al)
    Silicon (Si)
    Oxygen (O2)
    Argon (Ar)
    60s
  • Q2
    What element makes up the majority of the Earth's atmosphere?
    Nitrogen (N2)
    Argon (Ar)
    Aluminum (Al)
    Oxygen (O2)
    60s
  • Q3
    How many elements are in the compound for sugar? C12H22O11
    1
    4
    3
    2
    60s
  • Q4
    The symbols for the main elements in the human body are O, C, H, and N. What elements do these represent?
    Oxygen, Calcium, Hydrogen, and Nedium
    Oxygen, Carbon-dioxide, Hydrogen, and Nitrus
    Oxygen, Carbon, Hydrogen, and Nitrogen
    Oxygen, Carbon, Hodium, and Nitrogen
    60s
  • Q5
    Which is represented by a chemical symbol?
    element
    compound
    60s
  • Q6
    Which is represented by a chemical formula?
    element
    compound
    60s
  • Q7
    What is the difference between an element and a compound?
    Elements are a pure substance; Compounds have more than one element chemical combined
    Elements and compounds are both things combined.
    Elements have more than one compound; Compounds have only one element.
    60s

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