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Evaluation

Quiz by CYRELL NICOLE LACANILAO

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10 questions
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  • Q1

    Element is any substance composed of identical molecules consisting of atoms of two or more chemical elements.

    false
    true
    True or False
    10s
  • Q2

    The groups in periodic table of elements is the horizontal row of the periodic table

    false
    true
    True or False
    10s
  • Q3

    Compounds are represented by their chemical formula.

    true
    false
    True or False
    10s
  • Q4

    The7th element in the periodic table is Oxygen (O).

    false
    true
    True or False
    10s
  • Q5

    Elements are the fundamental materials of which all matter is composed.

    true
    false
    True or False
    10s
  • Q6

    What is the chemical formula of baking soda?

    Na₂CO₃

    NaCl

    NaHCO₃

    10s
  • Q7

    Water is an example of

    Compound

    Element

    Mixture

    10s
  • Q8

    Air is an example of

    Compound

    Mixture

    Element

    10s
  • Q9

    Gold is represented by the symbol

    au

    Ua

    Au

    10s
  • Q10

    Which of the following chemical formulas represents a compound?

    C3

    O2

    CH3CHO

    10s

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