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8.6B - Chemical Reactions and the Periodic Table

Quiz by Devin Turk

Grade 8
Science (2020-present)
Texas Essential Knowledge and Skills (TEKS)

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10 questions
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  • Q1
    Which of the following elements is represented by the symbol 'Na' on the periodic table?
    Sodium
    Carbon
    Nitrogen
    Magnesium
    30s
    SCI.8.6B
  • Q2
    In the chemical formula H2O, how many hydrogen atoms are present?
    4
    1
    3
    2
    30s
    SCI.8.6B
  • Q3
    Which element is located in Group 17 and Period 4 of the periodic table?
    Chlorine
    Bromine
    Iodine
    Fluorine
    30s
    SCI.8.6B
  • Q4
    What is the total number of elements present in the chemical formula C6H12O6?
    2
    3
    1
    4
    30s
    SCI.8.6B
  • Q5
    Which element can be identified by the atomic number 8 on the periodic table?
    Fluorine
    Neon
    Nitrogen
    Oxygen
    30s
    SCI.8.6B
  • Q6
    In the chemical reaction 2H2 + O2 → 2H2O, which element is represented by 'O'?
    Carbon
    Hydrogen
    Nitrogen
    Oxygen
    30s
    SCI.8.6B
  • Q7
    Which of the following elements is an alkaline earth metal found in Group 2 of the periodic table?
    Iron
    Sodium
    Calcium
    Aluminum
    30s
    SCI.8.6B
  • Q8
    In the chemical formula NaCl, how many different elements are present?
    3
    1
    2
    4
    30s
    SCI.8.6B
  • Q9
    Which element is represented by the symbol 'K' on the periodic table?
    Krypton
    Calcium
    Potassium
    Phosphorus
    30s
    SCI.8.6B
  • Q10
    Which element is represented by the symbol 'Fe' on the periodic table?
    Silver
    Fluorine
    Iron
    Copper
    30s
    SCI.8.6B

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