examen 1

Question 1

Fe

Answer 1

2+/3+
Fer

Question 2

Cu

Answer 2

+/2+

Cuivre

Question 3

Ag

Answer 3

+
Argent

Question 4

Zn

Answer 4

2+
Zinc

Question 5

Al

Answer 5

3+
Aluminium

Question 6

Mn

Answer 6

2+
Manganèse

Question 7

NH4

Answer 7

+
Ammonium

Question 8

S

Answer 8

2-
Sulfure

Question 9

N

Answer 9

3-
nitrure

Question 10

p

Answer 10

3-
phosphure

Question 11

CN

Answer 11

-
cyanure

Question 12

OH

Answer 12

-
Hydroxyde

Question 13

CrO4

Answer 13

2-
Chromate

Question 14

Cr2O7

Answer 14

2-
Dichromate

Question 15

C2O4

Answer 15

2-
Oxalate

Question 16

CH3COO

Answer 16

-
Acetate

Question 17

NO2

Answer 17

-
Nitrite

Question 18

NO3

Answer 18

-
nitrate

Question 19

PO3

Answer 19

3-
Phosphite

Question 20

PO4

Answer 20

3-
Phosphate

Question 21

SO3

Answer 21

2-
sulfite

Question 22

SO4

Answer 22

2-
sulfate

Question 23

CO3

Answer 23

2-
carbonate

Question 24

ClO2

Answer 24

-
chlorite

Question 25

ClO3

Answer 25

-
chlorate

Question 26

ClO4

Answer 26

-
perchlorate

Question 27

MnO4

Answer 27

-
permanganate

Question 28

chimique

Answer 28

modifie la composition chimique

Question 29

physique

Answer 29

ne modifie pas la composition chimique

Question 30

solide—>liquide

Answer 30

fusion

Question 31

solide—>gazeux

Answer 31

sublimation

Question 32

liquide—>solide

Answer 32

solidification

Question 33

liquide—>gazeux

Answer 33

vaporisation

Question 34

gazeux—->solide

Answer 34

condensation solide

Question 35

gazeux—>liquide

Answer 35

condensation liquide

Question 36

element

Answer 36

plus petite division

Question 37

composé

Answer 37

2 ou plusieurs element

Question 38

masse

Answer 38

qté de matière dans un objet

Question 39

poids

Answer 39

force gravitationnelle

Question 40

notation scientifique

Answer 40

N . 10n

Question 41

masse volumique

Answer 41

p = m/v

Question 42

résoudre

Answer 42

1. ecrire la formule
2. isoler
3. remplacer avec les valeurs + unites
4. reponse

Question 43

exactitude

Answer 43

degre d’accord d’une valeur donnee vs valeur reelle

Question 44

precision

Answer 44

degre d’accord entre pls mesures d’une meme qte

Question 45

chiffre significatifs x et /

Answer 45

autant de C.S. que la mesure la moins precise

Question 46

chiffre significatif + -

Answer 46

autant de decimal que la mesure la moins precise

Question 47

alcalins

Answer 47

1e colonne

Question 48

alcalino-terreux

Answer 48

2e colonne

Question 49

halogenes

Answer 49

17e colonne

Question 50

gaz rares

Answer 50

18e colonnes

Question 51

metalloides

Answer 51

escalier

Question 52

non-metaux

Answer 52

a droite

Question 53

metaux

Answer 53

a gauche

Question 54

nb oxydation: element / compose homoatomique

Answer 54

NO= 0

Question 55

nb oxydation: ions monoatomique

Answer 55

NO = charge
alcalin = +1
alcalino-terreux = +2
halogene = -1

Question 56

nb oxydation: compose heteroatomique —> O

Answer 56

-2

Question 57

nb oxydation: compose heteroatomique—> H

Answer 57

+1

Question 58

somme des NO d’une molecule / compose ionique = ?

Answer 58

0

Question 59

somme des NO d’un ion polyatomique = ?

Answer 59

charge de l’ion

Question 60

molecule vs compose ionique

Answer 60

molecule = 2 non-metaux
compose = 1 non metal/ion polyatomique + 1 metal

Question 61

utilisation des chiffres romain

Answer 61

Fe et Cu

Question 62

nomenclature ions —> cation

Answer 62

comme l’element du tableau

Question 63

nomenclature ions —> anion

Answer 63

element + ure
sauf:
O oxyde
S sulfure
N nitrure
P phosphure