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Chemistry > Ch. 8 Ionic Compounds > Flashcards

Ch. 8 Ionic Compounds Flashcards

1
Q

Chemical bond

A
  • The force that holds two atoms together
  • an attachment may form by the attraction of the positively charged nucleus of one atom for the negatively charged electrons of another atom or by the attraction of charged atoms which are called ions
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2
Q

Valence electrons

A
  • the electrons in the outermost energy level

- also in the chemical bond attraction

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3
Q

Noble gasses

A

Are a family of elements that have very little tendency to react

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4
Q

Stable Octet

A

Elements have a set of eight outermost electrons

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5
Q

Pseudo- noble gas formations

A

Relatively stable electrons structures developed by loss of electrons in certain elements of groups 1B, 2B, 3A, and 4A

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6
Q

True or false ?

A positively charged ion is called an anion

A

False

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7
Q

True or false ?

Elements in group 1A lose the I one valence electron, forming an ion with a 1+ charge

A

True

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8
Q

True or false ?

Elements tend to react so that they acquire the electron structure of a halogen

A

False

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9
Q

True or false ?

A sodium atom tends to lose one electron When it reacts

A

True

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10
Q

True or false ?

The electron structure of a zinc ion (Zn2+) is an example of a pseudo noble gas formation

A

True

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11
Q

True or false ?

A CI- ion is an example of a cation

A

False

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12
Q

True or false ?

The ending -ide is used to designate an anion

A

True

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13
Q

True or false ?

Non metals form a stable outer electron configuration by losing electrons and becoming anions

A

False

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14
Q

Ionic bond

A

Is a force that holds together atoms that are oppositely charged

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15
Q

The formula unit of an ionic compound shows the

A

Simplest ratio of the ions

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16
Q

The overall charge of a formula unit of an ionic compound

A

Is always zero

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17
Q

Ionic bonds generally occur between

A

A metal and a non metal

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18
Q

salts are ex’s of

A

Ionic compounds

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19
Q

Crystal lattice

A

A three dimensional arrangement of particles In an ionic solid

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20
Q

In a crystal lattice of an ionic compound

A

Ions are surround by ions of the opposite charge

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21
Q

What is the relationship between lattice em where and the strength of the attractive force holding ions in place ?

A

The more negative the lattice energy is the greater the force

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22
Q

The formation of a stable ionic compound from ions

A

Is always exothermic

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23
Q

In electron transfer involving a metallic atom and a nonmetallic atom during ion formation, _________________________________________

A

The nonmetallic atom gains electrons from the metallic atom

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24
Q

Melting point

A

High

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25
Q

Boiling point

A

High

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26
Q

Hardness

A

Hard

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27
Q

Brittleness

A

Brittle

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28
Q

Electrical conductivity in a sold state

A

Poor

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29
Q

Electrical conductivity in the liquid state

A

Good

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30
Q

Electrical conductivity when dissolved in water

A

Good

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31
Q

True or false ?

The crystal lattice of an ionic compound affects their melting and boiling points

32
Q

True or false ?

The lattice energy is the energy required to separate the ions of an ionic compound

33
Q

True or false ?

The energy of an ionic compound is higher than that of the separate elements that formed it

34
Q

True or false ?

Large ions tend to produce more negative value for the lattice energy thanthe smaller ions do

35
Q

True or false ?

Ions that have larger charges tend to produce a more negative lattice energy than ions with smaller charges do

36
Q

Monatomic ion

A

A one atom ion

37
Q

Oxidation number

A
  • The number of electrons transfers to or from the atom to form the ion
  • the charge of such an ion is equal to the atoms^
38
Q

In ionic compounds the sum of the charges of all the ions equals ________

39
Q

Polyatomic ions

A

Ions made up of more than one atom

40
Q

Oxyanion

A

An ion negatively charged and includes one or more oxygen atoms

41
Q

Suffix - ate

A

Two such ions can be formed that contain different number of oxygen atoms, the name for the ion with more oxygen atoms

42
Q

Suffix - ite

A

The name for the ions with fewer oxygen atoms

43
Q

Chemical formula for any ionic compound

A

The chemical symbol for the CATION is written first followed by the chu kcal symbol for the ANION

44
Q

Subscript

A
  • Is a small number used to represent the number of ions of a given element in a chemical formula
  • these numbers are written to the lower right of symbol for the element
45
Q

Chlorate

46
Q

Hypochlorite

47
Q

Chloride

48
Q

Perchlorate

49
Q

Chlorite

50
Q

NaI

A

Sodium Ludide

51
Q

CaC1,2

A

Calcium chloride

52
Q

K,2S

A

Potassium sulfide

53
Q

MgO

A

Magnesium oxide

54
Q

LiHSO

A

Lithium hydrogen sulfate

55
Q

NH,4Br

A

Ammonium bromide

56
Q

Ca,3N,2

A

Calcium nitride

57
Q

Cs,3P

A

Cesium phosphide

58
Q

KBrO,3

A

Potassium bromate

59
Q

Mg(CIO),2

A

Magnesium hypo chloride

60
Q

Li,2O,2

A

Lithium peroxide

61
Q

Be,3(PO,4),2

A

Beryllium carbonate

62
Q

(NH,4),2CO,3

A

Amuonium carbonate

63
Q

NaBrO,3

A

Sodium bromate

64
Q

Fr,2O,3

A

Iron (111) oxide

65
Q

Fe(IO,3),2

A

Iron (111) lodate

66
Q

Beryllium nitride

67
Q

Nickel (11) chloride

68
Q

Potassium chlorite

69
Q

Copper (1) oxide

70
Q

Magnesium sulfite

71
Q

Ammonium sulfide

A

(NH,4) ,2S

72
Q

Calcium iodate

A

Ca (IO,3) ,2

73
Q

Iron (111) perchlorate

A

Iron (CIO,4),3

74
Q

Sodium nitride

75
Q

Why are the electrons in a metallic solid described as delocalized?

A

They move from one atom to another

Chemistry (13 decks)

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