Common Ions and Acids

Question 1

Hydrogen cation/anion

Answer 1

Hydrogen H⁺

Hydride H^-

Question 2

Iron Cations

Answer 2

Iron(III) Fe³⁺

Iron (II) Fe²⁺

Question 3

Borate

Answer 3

BO₃^3–

Question 4

def. isotope

Answer 4

Atoms with the same # protons but different # neutrons.

thus same atomic number but different mass number

Question 5

Phosphoric Acid

Answer 5

H₃PO₄

Question 6

tin original name and symbol

Answer 6

stannum Sn

Question 7

Bicarbonate

Answer 7

HCO₃^–

Question 8

Tin cations

Answer 8

Tin(IV) Sn⁴⁺

Tin(II) Sn²⁺

Question 9

Chlorite

Answer 9

ClO₂^–

Question 10

Cadmium cations

Answer 10

Cadmium Cd²⁺

(only forms single cation, thus no Roman numeral used)

Question 11

Hydrogen phosphate

Answer 11

HPO₄^2–

Question 12

Cyanide

Answer 12

CN^–

Question 13

antimony original name and symbol

Answer 13

Stibium Sb

Question 14

Hydroiodic acid

Answer 14

HI

Question 15

Thiosulfate

Answer 15

S₂O₃^2–

Question 16

Nitrous Acid

Answer 16

HNO₂

Question 17

Hydrofluoric acid

Answer 17

HF

Question 18

lead original name and symbol

Answer 18

plumbum Pb

Question 19

def. mass number (A)

Answer 19

number by element symbol that indicates the number of protons and neutrons.

(superscript)

Question 20

tungsten original name and symbol

Answer 20

wolfram W

Question 21

Perchlorate

Answer 21

ClO₄^–

Question 22

Nitrate

Answer 22

NO₃^–

Question 23

Manganate

Answer 23

MnO₄^2–

Question 24

List the common Type I Binary Ionic compounds.

Answer 24

Type of compounds where the metal has only one form.

Includes:

• Group 1A, Group 2A elements
• Aluminum (always as Al³⁺)
• Zinc (always as Zn²⁺)
• Cadmium (always as Cd²⁺)
• Silver (almost always as Ag⁺)

Question 25

Hydrobromic acid

Answer 25

HBr

Question 26

Mercury(I)

Answer 26

Hg₂²⁺

Question 27

Chlorate

Answer 27

ClO₃^–

Question 28

Chromate

Answer 28

CrO₄^2–

Question 29

Lead cations

Answer 29

Lead(IV) Pb⁴⁺ Lead(II) Pb²⁺

Question 30

Hydrosulfuric acid

Answer 30

H₂S

Question 31

Ammonia

Answer 31

NH₃

Question 32

Peroxide

Answer 32

O₂^2–

Question 33

**mercury** original name and symbol

Answer 33

hydrargyrum **Hg**

Question 34

Phosphate

Answer 34

PO₄^3–

Question 35

bisulfate

Answer 35

HSO₄^–

Question 36

Sulfite

Answer 36

SO₃^2–

Question 37

**copper** original name and symbol

Answer 37

cuprum **Cu**

Question 38

Hypochlorite

Answer 38

ClO^– or OCl^–

Question 39

Hydroxide

Answer 39

OH^–

Question 40

Dihydrogen phosphate

Answer 40

H₂PO₄^–

Question 41

Arsenate

Answer 41

AsO₄^3–

Question 42

Silicate

Answer 42

SiO₃^2–

Question 43

Hydrochloric acid

Answer 43

HCl

Question 44

Sulfurous Acid

Answer 44

H₂SO₃

Question 45

def. **atomic number** (Z)

Answer 45

number by element symbol that indicates the number of **protons**. (subscript)

Question 46

Silver cation

Answer 46

Silver Ag^{+ (only forms single cation, thus no Roman numeral used)}

Question 47

Thiocyanate

Answer 47

NCS^– or SCN^–

Question 48

Iodate

Answer 48

IO₃^–

Question 49

Oxalate

Answer 49

C₂O₄^2–

Question 50

Tartrate

Answer 50

C₄H₄O₆^2–

Question 51

Hydrocyanic acid

Answer 51

HCN

Question 52

Ammonium

Answer 52

NH₄⁺

Question 53

Acetic Acid

Answer 53

HC₂H₃O₂

Question 54

Bromate

Answer 54

BrO₃^–

Question 55

**sodium** original name and symbol

Answer 55

natrium **Na**

Question 56

Benzoate

Answer 56

C₇H₅O₂^–

Question 57

Arsenite

Answer 57

AsO₃^3–

Question 58

**iron** original name and symbol

Answer 58

ferrum **Fe**

Question 59

Phosphite

Answer 59

PO₃^3–

Question 60

Nitrite

Answer 60

NO₂^–

Question 61

Acetate

Answer 61

C₂H₃O₂^–

Question 62

Dichromate

Answer 62

Cr₂O₇^2–

Question 63

**potassium** original name and symbol

Answer 63

Kalium **K**

Question 64

Zinc cation

Answer 64

Zinc Zn²⁺ (only forms single cation, thus no Roman numeral used)

Question 65

Mercury cations

Answer 65

Mercury(II) Hg²⁺ Mercury(I) Hg₂²⁺

Question 66

Permanganate

Answer 66

MnO₄^–

Question 67

Sulfate

Answer 67

SO₄^2–

Question 68

Copper cations

Answer 68

Copper(II) Cu²⁺ Copper(I) Cu⁺

Question 69

Azide

Answer 69

N₃^–

Question 70

Cobalt cations

Answer 70

Cobalt(III) Co³⁺ Cobalt(II) Co²⁺

Question 71

Nitric Acid

Answer 71

HNO₃

Question 72

Carbonate

Answer 72

CO₃^2–

Question 73

**silver** original name and symbol

Answer 73

Argentum **Ag**

Question 74

Sulfuric Acid

Answer 74

H₂SO₄