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TEKS Grade 8 Science - 8.5.D Chemical Formulas

Quiz by Texas Education Agency

Grade 8
Science (2017)
Texas Essential Knowledge and Skills (TEKS)

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includes Teacher and Student dashboards

Measures 1 skill from
Grade 8
Science (2017)
Texas Essential Knowledge and Skills (TEKS)

8.5d

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11 questions
Show answers
  • Q1
    Which information could a student determine from only the chemical formula of a protein?
    The number of atoms of each element in the protein
    The physical arrangement of atoms in the structure of the protein
    The color of the protein
    The number of molecules in each sequence that makes up a protein
    60s
    8.5d
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  • Q2
    Users enter free text
    Type an Answer
    60s
    8.5d
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  • Q3
    Which of these formulas contain equal numbers of nitrogen atoms?
    Question Image
    Formulas I and III
    Formulas II and III
    Formulas I, II, and V
    Formulas I and IV
    60s
    8.5d
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  • Q4
    60s
    8.5d
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  • Q5
    60s
    8.5d
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  • Q6
    The table lists some compounds found in foods and their formulas. Based on this information, which of these statements is NOT true?
    Question Image
    A molecule of lactose contains twice as many carbon atoms as a molecule of sorbitol does.
    A molecule of fructose contains four more atoms than a molecule of glutamine does.
    A molecule of lactose contains twice as many atoms as a molecule of fructose does.
    A molecule of sorbitol contains three more oxygen atoms than a molecule of glutamine does.
    60s
    8.5d
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  • Q7
    60s
    8.5d
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  • Q8
    60s
    8.5d
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  • Q9
    Users enter free text
    Type an Answer
    60s
    8.5d
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  • Q10
    60s
    8.5d
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  • Q11
    The table shows the chemical formulas for four substances. Which substances have the same number of carbon atoms?
    Question Image
    Substances 2 and 3 only
    Substances 2, 3, and 4
    Substances 1 and 3
    Substances 1 and 2
    60s
    8.5d
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