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Science > Chemistry 1125 > Flashcards

Chemistry 1125 Flashcards

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1
Q

SYMBOL + CHARGE

cesium

A

Cs +

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2
Q

SYMBOL + CHARGE

copper

A

Cu +

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3
Q

SYMBOL + CHARGE

lithium

A

Li +

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4
Q

SYMBOL + CHARGE

potassium

A

K +

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5
Q

SYMBOL + CHARGE

rubidium

A

Rb +

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6
Q

SYMBOL + CHARGE

silver

A

Ag +

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7
Q

SYMBOL + CHARGE

sodium

A

Na +

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8
Q

SYMBOL + CHARGE

barium

A

Ba +2

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9
Q

SYMBOL + CHARGE

cadmium

A

Cd +2

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10
Q

SYMBOL + CHARGE

calcium

A

Ca +2

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11
Q

SYMBOL + CHARGE

chromium (2)

A

Cr +2

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12
Q

SYMBOL + CHARGE

cobalt (2)

A

Co +2

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13
Q

SYMBOL + CHARGE

copper (2)

A

Cu +2

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14
Q

SYMBOL + CHARGE

iron (2)

A

Fe +2

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15
Q

SYMBOL + CHARGE

lead (2)

A

Pb +2

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16
Q

SYMBOL + CHARGE

magnesium

A

Mg +2

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17
Q

SYMBOL + CHARGE

manganese (2)

A

Mn +2

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18
Q

SYMBOL + CHARGE

mercury

A

Hg +2

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19
Q

SYMBOL + CHARGE

mercury (2)

A

Hg +2

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20
Q

SYMBOL + CHARGE

nickel (2)

A

Ni +2

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21
Q

SYMBOL + CHARGE

tin (2)

A

Sn +2

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22
Q

SYMBOL + CHARGE

zinc

A

Zn +2

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23
Q

SYMBOL + CHARGE

chromium (3)

A

Cr +3

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24
Q

SYMBOL + CHARGE

iron (3)

A

Fe +3

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25
Q

SYMBOL + CHARGE

lead (3)

A

Pb +3

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26
Q

SYMBOL + CHARGE

lead (4)

A

Pb +4

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27
Q

SYMBOL + CHARGE

tin (4)

A

Sn +4

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28
Q

SYMBOL + CHARGE

bromide

A

Br-

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29
Q

SYMBOL + CHARGE

choride

A

Cl-

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30
Q

SYMBOL + CHARGE

fluoride

A

F-

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31
Q

SYMBOL + CHARGE

iodide

A

I-

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32
Q

SYMBOL + CHARGE

oxide

A

O -2

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33
Q

SYMBOL + CHARGE

sulfide

A

S -2

34
Q

SYMBOL + CHARGE

nitride

A

N -3

35
Q

stable ion formed by a single atom

A

monatomic ion

36
Q

ionic compound consisting of only two elements

A

binary ionic compound

37
Q

unit formed when two elements bond with a covalent bond

A

molecular compound

38
Q

unit formed when ions bond with an ionic bond

A

formula unit

39
Q

two nonmetallic atoms joined by a covalent bond

A

binary molecular compound

40
Q

electron configuration of a stable ion

A

noble gas

41
Q

system of nomenclature used today for ions and compounds

A

Stock

42
Q

method used to determine an empirical formula

A

crossover

43
Q

the only polyatomic ion with a positive charge

A

ammonium

44
Q

suffix for oxyanion with greater number of oxygen atoms

A

-ate

45
Q

suffix for oxyanion with lesser number of oxygen atoms

A

-ite

46
Q

suffix for monatomic anion or more electronegative atom

A

-ide

47
Q

polyatomic ion that contains oxygen

A

oxyanion

48
Q

a numerical value that indicates the number of electrons an atom or ion might contribute or receive in a chemical reaction

A

oxidation number

49
Q

a stable ion composed of two or more different atoms that function as a group

A

polyatomic ion

50
Q

When a cation has more than one positive charge, the charge is indicated with a ____ in ____ directly after the name of the cation

A

Roman Numeral; parentheses

51
Q

When naming ____ compounds, the name of the cation is written first; when naming _____ compounds, the name of the element with a lower electronegativity is written first

A

binary ionic; binary molecular

52
Q

If the older nomenclature is used to name a binary molecular compound, a ____ is attached to the names of one or both of the elements in the compound

A

prefix

53
Q

The second name of a binary molecular compound named under the older nomenclature consists of the ____ of the element name, a ____ if more than one compound may be formed, and the suffix ____

A

root; prefix; -ide

54
Q

a statement that expresses a chemical reaction in words

A

word equation

55
Q

an equation in which the reactants and products are represented by their formulas

A

chemical equation

56
Q

a substance added to speed up or slow down a chemical reaction

A

catalyst

57
Q

a list of elements in order according to their ability to donate or receive electrons in chemical reactions

A

activity series

58
Q

a reaction in which a single compound breaks down into two or more simpler substances

A

decomposition

59
Q

a reaction in which an element replaces a less active element in a compound

A

single replacement

60
Q

a reaction in which two or more chemical substances combine to form a new substance

A

synthesis

61
Q

a decomposition reaction caused by passing an electric current through a liquid

A

electrolysis

62
Q

a reaction in which the anions of two compounds in an aqueous solution exchange places to form two new compounds

A

double replacement

63
Q

the mass of a mole of an element or compound

A

molar mass

64
Q

A + X = AX

A

synthesis

65
Q

AX = A + X

A

decomposition

66
Q

AX + BY = AY + BX

A

double replacement

67
Q

A + BX = AX + B

A

single replacement

68
Q

the study of the quantitative relationships between substances involved in chemical changes

A

stoichiometry

69
Q

the study of quantitative relationships between elements within compounds

A

composition stoichiometry

70
Q

the study of quantitative relationships between reactants and products in chemical reactions

A

reaction stoichiometry

71
Q

the quantity equal to the number of atoms in exactly 12.0 g of carbon-12

A

mole

72
Q

the reactant that controls a reaction

A

limiting reactant

73
Q

the units used to express formula mass

A

amu

74
Q

the mass in grams of one mole of an element

A

molar mass

75
Q

the maximum amount of a product that may result from a chemical reaction

A

theoretical yield

76
Q

the actual measured amount of a product that results from a chemical reaction

A

actual yield

77
Q

the ratio of the actual yield to the theoretical yield

A

percent yield

78
Q

the relationship between the number of moles of one substance and the number of moles of another substance in a chemical reaction

A

mole ratio

79
Q

the relationship used to find the number of moles of any reactant or product in a chemical reaction if you know the balanced equation for the reaction and if you know the number of moles of at least one substance that enters into the reaction

A

mole-mole relationship

80
Q

the relationship used to find the number of moles of any reactant or product in a chemical reaction if you know the balanced equation for the reaction and if you know the number of mass of at least one substance that enters into the reaction

A

mass-mole relationship

81
Q

the relationship used to find the mass of any reactant or product in a chemical reaction if you know the balanced equation for the reaction and if you know the number of moles of at least one substance that enters into the reaction

A

mole-mass relationship

82
Q

the relationship used to find the mass of any reactant or product in a chemical reaction if you know the balanced equation for the reaction and if you know the mass of at least one substance that enters into the reaction

A

mass-mass

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