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Old Red Bay Cards > Chemistry Final > Flashcards

Chemistry Final Flashcards

1
Q

A covalent bond in which the bonding electrons were equally attracted to both bonded atoms

A

Non-polar covalent bond

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2
Q

Describes a molecule in which the positive and negative charges are separated

A

Polar

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3
Q

A covalent bond in which a pair of electrons shared by two atoms is held more closely by one atom

A

Polar covalent bond

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4
Q

A bond formed when atoms share one or pairs of electrons

A

Covalent bond

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5
Q

A neutral group of atoms that are held together by covalent bonds

A

Molecule

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6
Q

A chemical compound whose simplest units are molecules

A

Molecular compound

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7
Q

A chemical formula that shows the number and kinds of atoms in a molecule but not the arrangement of the atoms

A

Molecular formula

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8
Q

The energy required to break a chemical bond and form neutral isolated atoms

A

Bond energy

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9
Q

A covalent bond in which two atoms share one pair of electrons

A

Single bond

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10
Q

A bond in which the atoms share more than one pair of electrons, such as a double bond or a triple bond

A

Multiple bond

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11
Q

The bonding in molecules or ions that cannot be correctly represented by a single Lewis structure

A

Resonance

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12
Q

A theory that predicts some molecular shapes based on the idea that pairs of valence electrons surrounding an atom repel each other

A

VSEPR theory

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13
Q

The mixing of two or more atomic orbitals of the same atom to produce new orbitals

A

Hybridization

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14
Q
  1. Orbitals of equal energy produced by the combination of two or more orbitals on the same electron
A

Hybrid orbitals

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15
Q
  1. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
A

Chemical Equation

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16
Q
  1. A solid that is produced as a result of a chemical reaction in solution
A

Precipitate

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17
Q
  1. A small whole number that appears as a factor in front of a formula in a chemical equation.
A

Coefficient

18
Q
  1. An equation in which the reactants and products in a chemical reaction are represented by words.
A

Word equation

19
Q
  1. A representation of the reactants and products of a chemical reaction by their symbols or formulas.
A

Formula equation

20
Q
  1. A reaction in which two or more substances combine to form a new compound.
A

Synthesis reaction

21
Q
  1. A reaction in which the ions of two compounds exchange places in an aqueous solution to form two new compound
A

Double-displacement reaction

22
Q
  1. The oxidation reaction of an element or compound, in which energy as heat is released.
A

Combustion reaction

23
Q
  1. A series of elements that have similar properties and that are arranged in descending order of chemical activity.
A

Activity series

24
Q
  1. Calculations involving the mass relationships of elements in compounds.
A

Composition stoichiometry

25
Q
  1. Calculations involving the mass relationships between reactants and products in a chemical reaction.
A

Reaction stoichiometry

26
Q
  1. A conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction.
A

Mole ratio

27
Q
  1. The substance that controls the quantity of product that can form in a chemical reaction.
A

Limiting reactant

28
Q
  1. The substance that is not used up completely in a reaction.
A

Excess reactant

29
Q
  1. The maximum amount of product that can be produced from a given amount of reactant.
A

Theoretical yield

30
Q
  1. The measured amount of a product of a reaction.
A

Actual yield

31
Q
  1. The ratio of the actual yield to the theoretical yield, multiplied by 100.
A

Percent yield

32
Q
  1. A reaction in which a single compound breaks down to form two or more simpler substances.
A

Decomposition

33
Q
  1. A reaction in which one element or radical takes the place of another element or radical in a compound.
A

Single-displacement reaction

34
Q
  1. The proportionality constant that appears in the equation of state for 1 mol of an ideal gas, “R”
A

Ideal gas constant

35
Q
  1. The amount of force exerted per unit area of a surface.
A

Pressure

36
Q
  1. An instrument that measures atmospheric pressure.
A

Barometer

37
Q
  1. The temperature at which all molecular motion stops.
A

Absolute zero

38
Q
  1. The SI unit of pressure.
A

Pascal

39
Q
  1. The pressure of each gas in a mixture.
A

Partial pressure

40
Q
  1. The law that states that equal volumes of gases at the same temperature and pressure contain equal numbers
A

Avogadro’s law

Old Red Bay Cards (2 decks)

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