Gable's Molecule, Compound, Chemical Equation
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kathryncooper123
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    Which of the following chemical formulas represents a compound?

    answer choices

    C

    O2

    CH3CHO

    H2

  • Question 2
    30 seconds
    Q. Which statement best describes an element?
    answer choices
    made from mixture 
    thousands in the world
    pure, made of only one atom
    can be separated 
  • Question 3
    30 seconds
    Q.

    Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –

    answer choices

    a gas at room temperature.

    made of two or more different elements.

    given off by green plants.

  • Question 4
    30 seconds
    Q. This picture represents which of the following?
    answer choices
    element
    compound
    mixture
  • Question 5
    30 seconds
    Q.

    What is the term for combining 2 or more SAME or DIFFERENT elements together?

    answer choices

    atoms

    elements

    molecules

    compounds

  • Question 6
    30 seconds
    Q.

    What is the term for combining 2 or more DIFFERENT elements together?

    answer choices

    atoms

    elements

    molecules

    compounds

  • Question 7
    30 seconds
    Q. Are these molecules also compounds?
    answer choices
    YES
    NO
  • Question 8
    30 seconds
    Q. Are these molecules also compounds?
    answer choices
    YES
    NO
  • Question 9
    30 seconds
    Q. TRUE OR FALSE:
    Every compound is a molecule but not every molecule is a compound.
    answer choices
    TRUE
    FALSE
  • Question 10
    30 seconds
    Q. What is the picture displayed?
    answer choices
    atom
    element
    molecule
    compound
  • Question 11
    30 seconds
    Q. What is the picture displayed?
    answer choices
    atom
    element
    molecule
    compound
  • Question 12
    30 seconds
    Q.

    Bonds between atoms in a molecule form as a result of the sharing of?

    answer choices

    formulas

    valence electrons

    atoms

    valence chemicals

  • Question 13
    30 seconds
    Q. When __________ form, the elements lose there individual chemical properties and take on new properties.
    answer choices
    compounds
    atoms
    subscript
    formula
  • Question 14
    30 seconds
    Q.

    A recipe for a chemical substance is called a _________________.

    answer choices

    coefficent

    chemical formula

    compound

    subscript

  • Question 15
    30 seconds
    Q. H2O2← ?
    This number tells the number of atoms present.
    answer choices
    coefficient
    molecule
    subscript
    atom
  • Question 16
    30 seconds
    Q. →2H2O
    This number tells how many molecules are in a chemical equation.
    answer choices
    coefficient
    subscript
    compound
    element
  • Question 17
    30 seconds
    Q.  2H2O
    How many Hydrogen atoms are present?
    answer choices
    2
    4
    1
    10
  • Question 18
    30 seconds
    Q. 2H2O
    How many Oxygen atoms are present?
    answer choices
    2
    4
    1
    5
  • Question 19
    30 seconds
    Q. 2H2O
    How many H2O molecules are present?
    answer choices
    1
    4
    2
    8
  • Question 20
    30 seconds
    Q.

    When a subscript or coefficient is NOT present what number is understood to be there?

    answer choices

    0

    1

    2

    3

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