Ions Polyatomiques Flashcards

1
Q

Que veut dire la succession de nitrite puis nitrate dans un ion poly atomique?

A

Nitrate a un oxygène de plus

Dans une succession, celui qui a plus d’oxygène prend le suffixe -ate et celui qui en a le moins ate

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3
Q

Lorsque une série du même composé moléculaire commence par

Hypo- ou Per- cela veut dire ..

A

La plupart des ions sont des oxyanions ( anions avec oxygène )
Hypo signifie moins d’ oxygène que l’élément de départ
Per signifie plus

Hypochlorite; CIO -
chlorite ; CIO2 -
Chlorate; CIO3 -
Perchlorate; CIO4 -

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5
Q

Acétate

A

CH3COO-

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6
Q

Carbonate

A

CO3 2-

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7
Q

Hydrogénocarbonate

A

HCO3 -

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8
Q

Oxalate

A

C2O4 2-

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9
Q

Hydroxyde

A

OH-

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10
Q

Nitrite

A

NO2 -

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11
Q

Nitrate

A

NO3 -

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12
Q

Chromate

A

CrO4 2-

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13
Q

Dichromate

A

Cr2O7 2-

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14
Q

Phosphate

A

PO4 3-

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15
Q

Hydrogénophosphate

A

HPO4 2-

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16
Q

Silicate

A

SiO3 2-

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17
Q

Ammonium

A

Nh4 +

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18
Q

Hypochlorite

A

CIO-

19
Q

Chlorite

A

CIO 2-

20
Q

Chlorate

A

CIO3 -

21
Q

Perchlorate

A

CIO4 -

22
Q

Permanganate

A

MnO4 -

23
Q

Sulfite

A

SO3 2-

24
Q

Hydrogénosulfite

A

HSO3-

25
Q

Sulfate

A

SO4 2-

26
Q

Hydrogénosulfate

A

HSO4 -

27
Q

Thiocyanate

A

SCN-

28
Q

Thiosulfate

A

S2O3 2-

29
Q

Cyanure

A

CN -

30
Q

Peroxyde

A

O2 2-

31
Q

Borate

A

BO3 3-

32
Q

Acide phosphorique

A

H3PO4

33
Q

Dihydrogénophosphate

A

H2PO4 -