Chapter 3 - Chemical Compounds

Question 1

Molecular compounds

Answer 1

Composed of 2 or more nonmetals

Question 2

Ionic compounds

Answer 2

Composed of cation (metal) and anion (nonmetal)

Question 3

Monatomic ions

Answer 3

Ions differ from atoms in that they have a charge; the number of electrons does not equal the number of protons

Question 4

List of Monatomic ions

Answer 4

Li+, Be2+, Na+, Mg2+, K+, Ca2+, Rb+, Sr2+, Cs+, Ba2+, Fr+, Ra2+, Ni2+, Ag+, Zn2+, Cd2+, N3-, P3-, O2-, F-, S2-, Cl-, Se2-, Br-, Te2-, I-

Question 5

Some metals can form ions of multiple charges

Answer 5

To name these metals, include the charge in parenthesis as Roman numerals (ie. Cu2+ is copper(II) ion)

Question 6

Polyatomic ions

Answer 6

Consists of a group of atoms, usually nonmentals, with an overall net charge. Most are oxoanions. Only common polyatomic cation is the ammonium ion, NH4+

Question 7

Acids

Answer 7

A substance that loses an H+ when reacting with water

Question 8

Bases

Answer 8

Substances that loses an OH- when reacting with water

Question 9

Binary acids

Answer 9

Made from hydrogen + one nonmetal. Use hydro- prefix, add -ic acid

Question 10

HF (aq)

Answer 10

hydrofluoric acid

Question 11

HCl (aq)

Answer 11

hydrochloric acid

Question 12

HI (aq)

Answer 12

hydroiodic acid

Question 13

H2S (aq)

Answer 13

hydrosulfuric acid

Question 14

Oxyacids

Answer 14

made from hydrogen + polyatomic anion. -ate ion becomes -ic acid, -ite becomes -ous acid, -ide ion is named as a binary acid

Question 15

Water

Answer 15

H2O

Question 16

Ammonia

Answer 16

NH3

Question 17

Methane

Answer 17

CH4

Question 18

Sodium chloride

Answer 18

NaCl

Question 19

Sodium nitrite

Answer 19

NaNO2

Question 20

Magnesium chloride

Answer 20

MgCl2

Question 21

Magnesium nitrate

Answer 21

Mg(NO3)2

Question 22

Barium oxide

Answer 22

BaO

Question 23

Lithium nitride

Answer 23

Li3N

Question 24

CO3 2-

Answer 24

Carbonate

Question 25

NO2-

Answer 25

nitrite

Question 26

NO3-

Answer 26

nitrate

Question 27

PO3 3-

Answer 27

phosphite

Question 28

PO4 3-

Answer 28

phosphate

Question 29

SO3 2-

Answer 29

sulfite

Question 30

SO4 2-

Answer 30

sulfate

Question 31

HCO3 1-

Answer 31

hydrogen carbonate or bicarbonate

Question 32

HPO4 2-

Answer 32

hydrogen phosphate

Question 33

H2PO4 -

Answer 33

dihydrogen phosphate

Question 34

FO-

Answer 34

hypofluorite

Question 35

FO2 -

Answer 35

fluorite

Question 36

FO3 -

Answer 36

fluorate

Question 37

FO4 -

Answer 37

perfluorate

Question 38

BrO -

Answer 38

hypobromite

Question 39

BrO2 -

Answer 39

bromite

Question 40

BrO3 -

Answer 40

bromate

Question 41

BrO4 -

Answer 41

perbromate

Question 42

N -3

Answer 42

nitride

Question 43

P -5

Answer 43

phosphide

Question 44

O 2-

Answer 44

oxide

Question 45

S -2

Answer 45

sulfide

Question 46

Se 2-

Answer 46

selenide

Question 47

F -

Answer 47

fluoride

Question 48

Cl -

Answer 48

chloride

Question 49

Br -

Answer 49

bromide

Question 50

I -

Answer 50

iodide

Question 51

MnO4 -

Answer 51

permanganate ion

Question 52

CrO4 -2

Answer 52

chromate ion

Question 53

OH -

Answer 53

hydroxide ion

Question 54

C2H3O2 -

Answer 54

acetate ion

Question 55

CN-

Answer 55

cyanide ion

Question 56

NH4 +

Answer 56

ammonium ion