Chem Basics D.9 - D.11

Question 1

Ionic compounds

Answer 1

aka. salts; cations (+) and anions (-) aranged specific patterns in the solid state, simple or including covalently bonded atoms

Question 2

writing formulae of salts/ionic compounds

Answer 2

1. Write symbols and charges for cation and anion
2. Balance the charges to create a neutral ionic compound
3. Check charge balance

Question 3

names of ions

Answer 3

if only one type of ion, just element name

if form more than 1 type of ion, roman numeral of charge next to reg element name ex Cr^2+ is Chromium (II)

Question 4

Hydride

Answer 4

H-, atomic #1

Question 5

Fluoride

Answer 5

F-, atomic #9

Question 6

Chloride

Answer 6

Cl-, atomic #17

Question 7

Bromine

Answer 7

Br-, atomic #35

Question 8

Iodine

Answer 8

I-, atomic # 53

Question 9

Oxide

Answer 9

O2-, atomic # 8

Question 10

sulfide

Answer 10

S2- atomic #16

Question 11

nitride

Answer 11

N3- atomic #7

Question 12

phosphide

Answer 12

P3- atomic #15

Question 13

acetate

Answer 13

C2H3O2 -

Question 14

carbonate

Answer 14

CO3 2-

Question 15

hydrogen carbonate

Answer 15

HCO3 -

Question 16

hydroxide

Answer 16

OH-

Question 17

nitrite

Answer 17

NO2 -

Question 18

nitrate

Answer 18

NO3 -

Question 19

chromate

Answer 19

CrO4 2-

Question 20

dichromate

Answer 20

Cr2O7 2-

Question 21

phosphate

Answer 21

PO4 3-

Question 22

hydrogen phosphate

Answer 22

HPO3 2-

Question 23

dihydrogen phosphate

Answer 23

H2PO4 -

Question 24

hypochlorite

Answer 24

ClO-

Question 25

chlorite

Answer 25

ClO2 -

Question 26

chlorate

Answer 26

ClO3 -

Question 27

perchlorate

Answer 27

ClO4 -

Question 28

Permanganate

Answer 28

MnO4-

Question 29

hydrogen sulfate

Answer 29

HSO4 -

Question 30

cyanide

Answer 30

CN-

Question 31

peroxide

Answer 31

O2 2-

Question 32

ammonium

Answer 32

NH4 +

Question 33

hydronium

Answer 33

H3O+

Question 34

phosphonium

Answer 34

PH4 +

Question 35

triosulfate

Answer 35

S2O3 2-

Question 36

sulfate

Answer 36

SO4 2-