Chapitre 3 Flashcards

(56 cards)

1
Q

molécule =

A

substance pure, 2+ atm, liaison chimique

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2
Q

PQ atm se forment en molécules

A

ressembler aux gax nobles, être stables

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3
Q

Comment un atm devient stable

A

En respectant règle de l’octet

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4
Q

Règle de l’octet=

A

Adopter config. gaz noble le plus proche

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5
Q

Interactions d’un atm stable=

A

peu d’interactions avec les atm de son milieu

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6
Q

Ion=

A

atm possédant une charge à cause d’un gain ou d’un perte d’é-

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7
Q

Comment change la nature d’un atm quand il devient un ion

A

Elle ne change pas

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8
Q

Cation

A

+

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9
Q

Anion

A

-

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10
Q

Tendances charges ioniques famille IVA

A

± 4 é-

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11
Q

Quelle famille n’a pas d’ions

A

les gaz nobles

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12
Q

Tendances ioniques M

A

perdre

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13
Q

H_3O^+

A

hydronium

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14
Q

Tendances ioniques NM

A

gagner

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15
Q

Hydronium

A

H_3O^+

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16
Q

NH_4^+

A

Ammonium

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17
Q

Ammonium

A

NH_4^+

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18
Q

OH^-

A

Hydroxyde

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19
Q

Hydroxyde

A

OH^-

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20
Q

NO_3^-

A

Nitrate

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21
Q

Nitrate

A

NO_3^-

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22
Q

NO_2^-

A

Nitrite

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23
Q

Nitrite

24
Q

HCO_3^-

A

hydrogénocarbonate
(bicarbonate)

25
Hydrogénocarbonate (bicarbonate)
HCO_3^-
26
PO_4^3-
Phosphate
27
Phosphate
PO_4^3-
28
SO_4^2-
Sulfate
29
Sulfate
SO_4^2-
30
SO_3^2-
Sulfite
31
Sulfite
SO_3^2-
32
CO_3^2-
Carbonate
33
Carbonate
CO_3^2-
34
CH_3COO^-
Acétate
35
Acétate
CH_3COO^-
36
CIO_3^-
Chlorate
37
Chlorate
CIO_3^-
38
CrO_4^2-
Chromate
39
Chromate
CrO_4^2-
40
Liasons ioniques (3)
- transfert - M et NM - M vers NM
41
Dans une liaison ionique, l'élément le + électroneg ...
reçoit
42
vrai ou faux les molécules ont des liaisons ioniques
FAUX
43
Liasons covalentes (4)
- + fort que ionique - partage - NM et NM - électroneg. semblables, mais le + électroneg est écrit à gauche
44
Cov. simple
2 atm 1 liaison
45
Cov. double et triple
2 atm + 1 liason
46
Mass moléculaire =
Masse atomique de chaque atm de la molécule
47
Les composés binaires sont en général...
ioniques
48
Le 1e élément du nom d'un comp. binaire=
- le + à gauche - le 2e type d'atome +ure
49
4
tétra
50
5
penta
51
6
hexa
52
7
hepta
53
8
octa
54
9
nona
55
Carbone Hydrogène Azote Oxygène Soufre Sélénium
Carbure hydrure nitrure oxyde sulfure séléniure
56
Composés ioniques = toujours binaire mais covalents
non