Basic Chemistry

Karen C. Timberlake, William Timberlake

Chapter 6

Ionic and Molecular Compounds - all with Video Answers

Educators

Chapter Questions

Problem 1

State the number of electrons that must be lost by atoms of each of the following to achieve a stable electron configuration:
a. $\mathrm{Li}$
b. $\mathrm{Ca}$
c. $\mathrm{Ga}$
d. Cs
e. $\mathrm{Ba}$

Shveta Prithiani

Shveta Prithiani

Numerade Educator

Problem 2

State the number of electrons that must be gained by atoms of each of the following to achieve a stable electron configuration:
a. $\mathrm{Cl}$
b. Se
c. $\mathrm{N}$
d. I
e. $S$

Shveta Prithiani

Shveta Prithiani

Numerade Educator

Problem 3

State the number of electrons lost or gained when the following elements form ions:
a. $\mathrm{Sr}$
b. $\mathrm{P}$
c. Group 7A (17)
d. $\mathrm{Na}$
e. $\mathrm{Br}$

Nicole Smina

Numerade Educator

Problem 4

State the number of electrons lost or gained when the following elements form ions:
a. 0
b. Group $2 \mathrm{~A}$ (2)
c. $F$
d. $\mathrm{K}$
e. $R b$

Nicole Smina

Numerade Educator

Problem 5

Write the symbols for the ions with the following number of protons and electrons:
a. 3 protons, 2 electrons
b. 9 protons, 10 electrons
c. 12 protons, 10 electrons
d. 27 protons, 24 electrons

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 6

Write the symbols for the ions with the following number of protons and electrons:
a. 8 protons, 10 electrons
b. 19 protons, 18 electrons
c. 35 protons, 36 electrons
d. 50 protons, 46 electrons

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 7

State the number of protons and electrons in each of the following:
a. $\mathrm{Cu}^{2+}$
b. $\mathrm{Se}^{2-}$
c. $\mathrm{Br}^{-}$
d. $\mathrm{Fe}^{2+}$

Nicole Smina

Numerade Educator

Problem 8

State the number of protons and electrons in each of the following:
a. $\mathrm{S}^{2-}$
b. $\mathrm{Ni}^{2+}$
c. $\mathrm{Au}^{3+}$
d. $\mathrm{Ag}^{+}$

Nicole Smina

Numerade Educator

Problem 9

Write the symbol for the ion of each of the following:
a. chlorine
b. cesium
c. nitrogen
d. radium

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 10

Write the symbol for the ion of each of the following:
a. fluorine
b. barium
c. sodium
d. iodine

Nicole Smina

Numerade Educator

Problem 11

Write the names for each of the following ions:
a. $\mathrm{Li}^{+}$
b. $\mathrm{Ca}^{2+}$
c. $\mathrm{Ga}^{3+}$
d. $\mathrm{P}^{3-}$

Nicole Smina

Numerade Educator

Problem 12

Write the names for each of the following ions:
a. $\mathrm{Rb}^{+}$
b. $\mathrm{Sr}^{2+}$
c. $\mathrm{S}^{2-}$
d. $\mathrm{F}^{-}$

Nicole Smina

Numerade Educator

Problem 13

State the number of protons and electrons in each of the following ions:
a. $\mathrm{O}^{2-}$, used to build biomolecules and water
b. $\mathrm{K}^{+}$, most prevalent positive ion in cells; needed for muscle contraction, nerve impulses
c. $I^{-}$, needed for thyroid function
d. $\mathrm{Ca}^{2+}$, needed for bones and teeth

Nicole Smina

Numerade Educator

Problem 14

State the number of protons and electrons in each of the following ions:
a. $\mathrm{P}^{3-}$, needed for bones and teeth
b. $F^{-}$, used to strengthen tooth enamel
c. $\mathrm{Mg}^{2+}$, needed for bones and teeth
d. $\mathrm{Na}^{+}$, most prevalent positive ion in extracellular fluid

Jennifer Hudspeth

Jennifer Hudspeth

Numerade Educator

Problem 15

Which of the following pairs of elements are likely to form an ionic compound?
a. lithium and chlorine
b. oxygen and bromine
c. potassium and oxygen
d. sodium and neon
e. cesium and magnesium
f. nitrogen and fluorine

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 16

Which of the following pairs of elements are likely to form an ionic compound?
a. helium and oxygen
b. magnesium and chlorine
c. chlorine and bromine
d. potassium and sulfur
e. sodium and potassium
f. nitrogen and iodine

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 17

Write the correct ionic formula for the compound formed between each of the following pairs of ions:
a. $\mathrm{Na}^{+}$and $\mathrm{O}^{2-}$
b. $\mathrm{Al}^{3+}$ and $\mathrm{Br}^{-}$
c. $\mathrm{Ba}^{2+}$ and $\mathrm{N}^{3-}$
d. $\mathrm{Mg}^{2+}$ and $\mathrm{F}^{-}$
e. $\mathrm{Al}^{3+}$ and $\mathrm{S}^{2-}$

Shveta Prithiani

Shveta Prithiani

Numerade Educator

Problem 18

Write the correct ionic formula for the compound formed between each of the following pairs of ions:
a. $\mathrm{Al}^{3+}$ and $\mathrm{Cl}^{-}$
b. $\mathrm{Ca}^{2+}$ and $\mathrm{S}^{2-}$
c. $\mathrm{Li}^{+}$and $\mathrm{S}^{2-}$
d. $\mathrm{Rb}^{+}$and $\mathrm{P}^{3}$
e. $\mathrm{Cs}^{+}$and $\mathrm{I}^{-}$

Vasu Makani

Numerade Educator

Problem 19

Write the symbols for the ions, and the correct formula for the ionic compound formed by each of the following:
a. potassium and sulfur
b. sodium and nitrogen
c. aluminum and iodine
d. gallium and oxygen

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 20

Write the symbols for the ions, and the correct formula for the ionic compound formed by each of the following:
a. calcium and chlorine
b. rubidium and bromine
c. sodium and phosphorus
d. magnesium and oxygen

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 21

Write the name for each of the following ionic compounds:
a. $\mathrm{AlF}_{3}$
b. $\mathrm{CaCl}_{2}$
c. $\mathrm{Na}_{2} \mathrm{O}$
d. $\mathrm{Mg}_{3} \mathrm{P}_{2}$
e. $\mathrm{KI}$
f. $\mathrm{BaF}_{2}$

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 22

Write the name for each of the following ionic compounds:
a. $\mathrm{MgCl}_{2}$
b. $\mathrm{K}_{3} \mathrm{P}$
c. $\mathrm{Li}_{2} \mathrm{~S}$
d. $\mathrm{CsF}$
e. $\mathrm{MgO}$
f. $\mathrm{SrBr}_{2}$

Nicole Smina

Numerade Educator

Problem 23

Write the name for each of the following ions (include the Roman numeral when necessary):
a. $\mathrm{Fe}^{2+}$
b. $\mathrm{Cu}^{2+}$
c. $\mathrm{Zn}^{2+}$
d. $\mathrm{Pb}^{4+}$
e. $\mathrm{Cr}^{3+}$
f. $\mathrm{Mn}^{2+}$

Willis James

Numerade Educator

Problem 24

Write the name for each of the following ions (include the Roman numeral when necessary):
a. $\mathrm{Ag}^{+}$
b. $\mathrm{Cu}^{+}$
c. $\mathrm{Bi}^{-3+}$
d. $\mathrm{Sn}^{2+}$
e. $\mathrm{Au}^{3+}$
f. $\mathrm{Ni}^{2+}$

Matthew Kieras

Numerade Educator

Problem 25

Write the name for each of the following ionic compounds:
a. $\mathrm{SnCl}_{2}$
b. FeO
c. $\mathrm{Cu}_{2} \mathrm{~S}$
d. CuS
e. $\mathrm{CdBr}_{2}$
f. $\mathrm{HgCl}_{2}$

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 26

Write the name for each of the following ionic compounds:
a. $\mathrm{Ag}_{3} \mathrm{P}$
b. $\mathrm{PbS}$
c. $\mathrm{SnO}_{2}$
d. $\mathrm{MnCl}_{3}$
e. $\mathrm{Bi}_{2} \mathrm{O}_{3}$
f. $\mathrm{CoCl}_{2}$

Nicole Smina

Numerade Educator

Problem 27

Write the symbol for the cation in each of the following ionic compounds:
a. $\mathrm{AuCl}_{3}$
b. $\mathrm{Fe}_{2} \mathrm{O}_{3}$
c. $\mathrm{PbI}_{4}$
d. $\mathrm{AIP}$

Emily Himsel

Numerade Educator

Problem 28

Write the symbol for the cation in each of the following ionic compounds:
a. $\mathrm{FeCl}_{2}$
b. $\mathrm{CrO}$
c. $\mathrm{Ni}_{2} \mathrm{~S}_{3}$
d. $\mathrm{SnCl}_{2}$

Nicole Smina

Numerade Educator

Problem 29

Write the formula for each of the following ionic compounds:
a. magnesium chloride
b. sodium sulfide
c. copper(I) oxide
d. zinc phosphide
e. gold(III) nitride
f. cobalt(III) fluoride

Nicole Smina

Numerade Educator

Problem 30

Write the formula for each of the following ionic compounds:
a. nickel(III) oxide
b. barium fluoride
c. tin(IV) chloride
d. silver sulfide
e. bismuth(V) chloride
f. potassium nitride

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 31

Write the formula for each of the following ionic compounds:
a. cobalt(III) chloride
b. lead(IV) oxide
c. silver iodide
d. calcium nitride
e. copper(I) phosphide
f. chromium(II) chloride

Nicole Smina

Numerade Educator

Problem 32

Write the formula for each of the following ionic compounds:
a. zinc bromide
b. iron(III) sulfide
c. manganese(IV) oxide
d. chromium(III) iodide
e. lithium nitride
f. gold(I) oxide

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 33

The following compounds contain ions that are required in small amounts by the body. Write the formula for each.
a. potassium phosphide
b. copper(II) chloride
c. iron(III) bromide
d. magnesium oxide

Nicole Smina

Numerade Educator

Problem 34

The following compounds contain ions that are required in small amounts by the body. Write the formula for each.
a. calcium chloride
b. nickel(II) iodide
c. manganese(II) oxide
d. zinc nitride

Nicole Smina

Numerade Educator

Problem 35

Write the formula including the charge for each of the following polyatomic ions:
a. hydrogen carbonate (bicarbonate)
b. ammonium
c. phosphite
d. chlorate

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 36

Write the formula including the charge for each of the following polyatomic ions:
a. nitrite
b. sulfite
c. hydroxide
d. acetate

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 37

Name the following polyatomic ions:
a. $\mathrm{SO}_{4}{ }^{2-}$
b. $\mathrm{CO}_{3}{ }^{2-}$
c. $\mathrm{HSO}_{3}^{-}$
d. $\mathrm{NO}_{3}^{-}$

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 38

Name the following polyatomic ions:
a. $\mathrm{OH}^{-}$
b. $\mathrm{PO}_{4}{ }^{3-}$
c. $\mathrm{CN}^{-}$
d. $\mathrm{NO}_{2}^{-}$

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 39

Complete the following table with the formula and name of the compound that forms between each pair of ions:

Matthew Kieras

Numerade Educator

Problem 40

Complete the following table with the formula and name of the compound that forms between each pair of ions:

Matthew Kieras

Numerade Educator

Problem 41

Write the correct formula for the following ionic compounds:
a. barium hydroxide
b. sodium hydrogen sulfate
c. $\operatorname{rron}$ (II) nitrite
d. zinc phosphate
e. iron(III) carbonate

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 42

Write the correct formula for the following ionic compounds:
a. aluminum chlorate
b. ammonium oxide
c. magnesium bicarbonate
d. sodium nitrite
e. copper(I) sulfate

Vasu Makani

Numerade Educator

Problem 43

Write the formula for the polyatomic ion and name each of the following compounds:
a. $\mathrm{Na}_{2} \mathrm{CO}_{3}$
b. $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{~S}$
c. $\mathrm{Ca}(\mathrm{OH})_{2}$
d. $\mathrm{Sn}\left(\mathrm{NO}_{2}\right)_{2}$

Vasu Makani

Numerade Educator

Problem 44

Write the formula for the polyatomic ion and name each of the following compounds:
a. $\mathrm{MnCO}_{3}$
b. $\mathrm{Au}_{2} \mathrm{SO}_{4}$
c. $\mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}$
d. $\mathrm{Fe}\left(\mathrm{HCO}_{3}\right)_{3}$

Vasu Makani

Numerade Educator

Problem 45

Name each of the following ionic compounds:
a. $\mathrm{Zn}\left(\mathrm{C}_{2} \mathrm{H}_{3} \mathrm{O}_{2}\right)_{2}$, cold remedy
b. $\mathrm{Mg}_{3}\left(\mathrm{PO}_{4}\right)_{2}$, antacid
c. $\mathrm{NH}_{4} \mathrm{Cl}$, expectorant
d. $\mathrm{Sr}\left(\mathrm{NO}_{3}\right)_{2}$, produces red color in fireworks
e. $\mathrm{NaNO}_{2}$, meat preservative

Vasu Makani

Numerade Educator

Problem 46

Name each of the following ionic compounds:
a. $\mathrm{Li}_{2} \mathrm{CO}_{3}$, antidepressant
b. $\mathrm{MgSO}_{4}$, Epsom salts
c. $\mathrm{NaClO}$, disinfectant
d. $\mathrm{Na}_{3} \mathrm{PO}_{4}$, laxative
e. $\mathrm{Ba}(\mathrm{OH})_{2}$, component of antacids

Emily Himsel

Numerade Educator

Problem 47

Name each of the following molecular compounds:
a. $\mathrm{PBr}_{3}$
b. $\mathrm{Cl}_{2} \mathrm{O}$
c. $\mathrm{CBr}_{4}$
d. HF
e. $\mathrm{NF}_{3}$

Vasu Makani

Numerade Educator

Problem 48

Name each of the following molecular compounds:
a. $\mathrm{IF}_{3}$
b. $\mathrm{P}_{2} \mathrm{O}_{5}$
c. $\mathrm{SiO}_{2}$
d. $\mathrm{PCl}_{3}$
e. $\mathrm{CO}$

Vasu Makani

Numerade Educator

Problem 49

Name each of the following molecular compounds:
a. $\mathrm{N}_{2} \mathrm{O}_{3}$
b. $\mathrm{Si}_{2} \mathrm{Br}_{6}$
c. $\mathrm{P}_{4} \mathrm{~S}_{3}$
d. $\mathrm{PCl}_{5}$
e. $\mathrm{SeF}_{6}$

Mystique Till

Numerade Educator

Problem 50

Name each of the following molecular compounds:
a. $\mathrm{SiF}_{4}$
b. $\mathrm{IBr}_{3}$
c. $\mathrm{CO}_{2}$
d. $\mathrm{N}_{2} \mathrm{~F}_{2}$
e. $\mathrm{N}_{2} \mathrm{~S}_{3}$

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 51

Write the formula for each of the following molecular compounds:
a. carbon tetrachloride
b. carbon monoxide
c. phosphorus trifluoride
d. dinitrogen tetroxide

Vasu Makani

Numerade Educator

Problem 52

Write the formula for each of the following molecular compounds:
a. sulfur dioxide
b. silicon tetrachloride
c. iodine trifluoride
d. dinitrogen oxide

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 53

Write the formula for each of the following molecular compounds:
a. oxygen difluoride
b. boron trichloride
c. dinitrogen trioxide
d. sulfur hexafluoride

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 54

Write the formula for each of the following molecular compounds:
a. sulfur dibromide
b. carbon disulfide
c. tetraphosphorus hexoxide
d. dinitrogen pentoxide

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 55

Name each of the following ionic or molecular compounds:
a. $\mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$, antiperspirant
b. $\mathrm{Zn}_{3}\left(\mathrm{PO}_{4}\right)_{2}$, dental cement
c. $\mathrm{N}_{2} \mathrm{O}$, "laughing gas," inhaled anesthetic
d. $\mathrm{Mg}(\mathrm{OH})_{2}$, laxative

Vasu Makani

Numerade Educator

Problem 56

Name each of the following ionic or molecular compounds:
a. $\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}$, used as a fertilizer
b. $\mathrm{BaSO}_{4}$, used to create images of the esophagus and stomach
c. NO, vasodilator
d. $\mathrm{Cu}(\mathrm{OH})_{2}$, fungicide

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 57

Write the correct formula for each of the following compounds:
a. magnesium sulfate
b. tin(II) fluoride
c. aluminum hydroxide

Lottie Adams

Numerade Educator

Problem 58

Write the correct formula for each of the following compounds:
a. iron(II) sulfate
b. calcium carbonate
c. carbon dioxide

Lottie Adams

Numerade Educator

Problem 59

a. How does the octet rule explain the formation of a magnesium ion? (6.1)
b. What noble gas has the same electron configuration as the magnesium ion?
c. Why are Group $1 \mathrm{~A}(1)$ and Group $2 \mathrm{~A}(2)$ elements found in many compounds, but not Group $8 \mathrm{~A}$ (18) elements?

Crystal Wang

Numerade Educator

Problem 60

a. How does the octet rule explain the formation of a chloride ion? (6.1)
b. What noble gas has the same electron configuration as the chloride ion?
c. Why are Group 7A (17) elements found in many compounds, but not Group 8A (18) elements?

Crystal Wang

Numerade Educator

Problem 61

Identify each of the following atoms or ions: (6.1)

Lottie Adams

Numerade Educator

Problem 62

Identify each of the following atoms or ions: (6.1)

Lottie Adams

Numerade Educator

Problem 63

Element $\mathrm{X}$ has one valence electron and element $\mathrm{Y}$ has 6 valence electrons.
a. What are the group numbers of $X$ and $Y$ ?
b. Will a compound of $X$ and $Y$ be ionic or molecular?
c. What ions would be formed by $X$ and $Y$ ?
d. What would be the formula of a compound of $X$ and $Y$ ?
e. What would be the formula of a compound of $X$ and sulfur?

Shazia Naz

Numerade Educator

Problem 64

Element $X$ has two valence electrons and element $Y$ has 5 valence electrons.
a. What are the group numbers of $X$ and $Y$ ?
b. Will a compound of $X$ and $Y$ be ionic or molecular?
c. What ions would be formed by $X$ and $Y$ ?
d. What would be the formula of a compound of $\mathrm{X}$ and $Y$ ?
e. What would be the formula of a compound of $X$ and sulfur?
f. What would be the formula of a compound of $Y$ and chlorine?
g. Is the compound in part $f$ ionic or molecular?

Matthew Kieras

Numerade Educator

Problem 65

Using each of the following electron configurations, write the formulas for the cation and anion that form, the formula for the compound they form, and its name. $(6.2,6.3)$

Crystal Wang

Numerade Educator

Problem 66

Using each of the following electron configurations, write the formulas for the cation and anion that form, the formula for the compound they form, and its name. $(6.2,6.3)$

Crystal Wang

Numerade Educator

Problem 67

Write the name for each of the following ions: (6.1)
a. $\mathrm{N}^{3-}$
b. $\mathrm{Mg}^{2+}$
c. $\mathrm{O}^{2-}$
d. $\mathrm{Al}^{3+}$

Nicole Smina

Numerade Educator

Problem 68

Write the name for each of the following ions: (6.1)
a. $\mathrm{K}^{+}$
b. $\mathrm{Na}^{+}$
c. $\mathrm{Ba}^{2+}$
d. $\mathrm{Cl}^{-}$

Nicole Smina

Numerade Educator

Problem 69

Consider an ion with the symbol $\mathrm{X}^{2+}$ formed from a representative element. $(6.1,6.2,6.3)$
a. What is the group number of the element?
b. If $\mathrm{X}$ is in Period 3 , what is the element?
c. What is the formula of the compound formed from $X$ and the nitride ion?

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 70

Consider an ion with the symbol $Y^{3-}$ formed from a representative element. $(6.1,6.2,6.3)$
a. What is the group number of the element?
b. If $Y$ is in Period 3, what is the element?
c. What is the formula of the compound formed from the barium ion and $Y$ ?

Sam Limsuwannarot

Sam Limsuwannarot

Numerade Educator

Problem 71

One of the ions of tin is tin(IV). $(6.1,6.2,6.3,6.4)$
a. What is the symbol for this ion?
b. How many protons and electrons are in the ion?
c. What is the formula of tin(IV) oxide?
d. What is the formula of tin(IV) phosphate?

Emily Himsel

Numerade Educator

Problem 72

One of the ions of gold is gold(III). $(6.1,6.2,6.3,6.4)$
a. What is the symbol for this ion?
b. How many protons and electrons are in the ion?
c. What is the formula of gold(III) sulfate?
d. What is the formula of gold(III) nitrate?

Crystal Wang

Numerade Educator

Problem 73

Write the formula for each of the following ionic compounds:
$(6.2,6.3)$
a. tin(II) sulfide
b. lead(IV) oxide
c. silver chloride
d. calcium nitride
e. copper(I) phosphide
f. chromium(II) bromide

Emily Himsel

Numerade Educator

Problem 74

Write the formula for each of the following ionic compounds: $(6.2,6.3)$
a. nickel(III) oxide
b. iron(III) sulfide
c. lead(II) sulfate
d. chromium(III) iodide
e. lithium nitride
f. gold(I) oxide

Emily Himsel

Numerade Educator

Problem 75

Name each of the following molecular compounds: (6.5)
a. $\mathrm{NCl}_{3}$
b. $\mathrm{N}_{2} \mathrm{~S}_{3}$
c. $\mathrm{N}_{2} \mathrm{O}$
d. IF
e. $\mathrm{BF}_{3}$
f. $\mathrm{P}_{2} \mathrm{O}_{5}$

Emily Himsel

Numerade Educator

Problem 76

Name each of the following molecular compounds: (6.5)
a. $\mathrm{CF}_{4}$
b. $\mathrm{SF}_{6}$
c. $\mathrm{BrCl}$
d. $\mathrm{N}_{2} \mathrm{O}_{4}$
e. $\mathrm{SO}_{2}$
f. $\mathrm{CS}_{2}$

Emily Himsel

Numerade Educator

Problem 77

Write the formula for each of the following molecular compounds: (6.5)
a. carbon sulfide
b. diphosphorus pentoxide
c. dihydrogen sulfide
d. sulfur dichloride

Emily Himsel

Numerade Educator

Problem 78

Write the formula for each of the following molecular compounds: (6.5)
a. silicon dioxide
b. carbon tetrabromide
c. diphosphorus tetraiodide
d. dinitrogen trioxide

Emily Himsel

Numerade Educator

Problem 79

Classify each of the following as ionic or molecular, and write its name: $(6.3,6.5)$
a. $\mathrm{FeCl}_{3}$
b. $\mathrm{Na}_{2} \mathrm{SO}_{4}$
c. $\mathrm{NO}_{2}$
d. $\mathrm{Rb}_{2} \mathrm{~S}$
e. $\mathrm{PF}_{5}$
f. $\mathrm{CF}_{4}$

Emily Himsel

Numerade Educator

Problem 80

Classify each of the following as ionic or molecular, and write its name: $(6.3,6.5)$
a. $\mathrm{Al}_{2}\left(\mathrm{CO}_{3}\right)_{3}$
b. $\mathrm{ClF}_{5}$
c. $\mathrm{BCl}_{3}$
d. $\mathrm{Mg}_{3} \mathrm{~N}_{2}$
e. $\mathrm{ClO}_{2}$
f. $\mathrm{CrPO}_{4}$

Lottie Adams

Numerade Educator

Problem 81

Write the formula for each of the following: $(6.3,6.4,6.5)$
a. tin(II) carbonate
b. lithium phosphide
c. silicon tetrachloride
d. manganese(III) oxide
e. tetraphosphorus triselenide
f. calcium bromide

Lottie Adams

Numerade Educator

Problem 82

Write the formula for each of the following: $(6.3,6.4,6.5)$
a. sodium carbonate
b. nitrogen dioxide
c. aluminum nitrate
d. copper(I) nitride
e. potassium phosphate
f. cobalt(III) sulfate

Lottie Adams

Numerade Educator

Problem 83

$$
\begin{aligned}
&\text { Complete the following table for atoms or ions: (6.1) }\\
&\begin{array}{|l|l|l|l|}
\hline \text { Atom or lon } & \begin{array}{l}
\text { Number of } \\
\text { Protons }
\end{array} & \begin{array}{l}
\text { Number of } \\
\text { Electrons }
\end{array} & \begin{array}{l}
\text { Electrons } \\
\text { Lost/Gained }
\end{array} \\
\hline \mathrm{K}^{+} & 12 p^{+} & 10 e^{-} & \\
\hline & 8 p^{+} & & 2 e^{-} \text {gained } \\
\hline & & 10 e^{-} & 3 e^{-} \text {lost } \\
\hline
\end{array}
\end{aligned}
$$

Lottie Adams

Numerade Educator

Problem 84

$$
\begin{aligned}
&\text { Complete the following table for atoms or ions: (6.1) }\\
&\begin{array}{|l|l|l|l|}
\hline \text { Atom or lon } & \begin{array}{l}
\text { Number of } \\
\text { Protons }
\end{array} & \begin{array}{l}
\text { Number of } \\
\text { Electrons }
\end{array} & \begin{array}{l}
\text { Electrons } \\
\text { Lost/Gained }
\end{array} \\
\hline & 30 p^{+} & & 2 e^{-} \text {lost } \\
\hline & 36 p^{+} & 36 e^{-} & \\
\hline & 16 p^{+} & & 2 e^{-} \text {gained } \\
\hline & & 46 e^{-} & 4 e^{-} \text {lost } \\
\hline
\end{array}
\end{aligned}
$$

Lottie Adams

Numerade Educator

Problem 85

Identify the group number in the periodic table of $X$, a representative element, in each of the following ionic compounds: (6.2)
a. $\mathrm{XCl}_{3}$
b. $\mathrm{Al}_{2} \mathrm{X}_{3}$
c. $\mathrm{XCO}_{3}$

Emily Himsel

Numerade Educator

Problem 86

Identify the group number in the periodic table of $\mathrm{X}$, a representative element, in each of the following ionic compounds: (6.2)
a. $\mathrm{X}_{2} \mathrm{O}_{3}$
b. $\mathrm{X}_{2} \mathrm{SO}_{3}$
c. $\mathrm{Na}_{3} \mathrm{X}$

Emily Himsel

Numerade Educator

Problem 87

Classify each of the following as ionic or molecular, and name each: $(6.2,6.3,6.4,6.5)$
a. $\mathrm{Li}_{2} \mathrm{HPO}_{4}$
b. $\mathrm{ClF}_{3}$
c. $\mathrm{Mg}\left(\mathrm{ClO}_{2}\right)_{2}$
d. $\mathrm{NF}_{3}$
e. $\mathrm{Ca}\left(\mathrm{HSO}_{4}\right)_{2}$
f. $\mathrm{KClO}_{4}$
g. $A u_{2}\left(\mathrm{SO}_{3}\right)_{3}$

Emily Himsel

Numerade Educator

Problem 88

Classify each of the following as ionic or molecular, and name each: $(6.2,6.3,6.4,6.5)$
a. $\mathrm{FePO}_{3}$
b. $\mathrm{Cl}_{2} \mathrm{O}_{7}$
c. $\mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}$
d. $\mathrm{PCl}_{3}$
e. $\mathrm{Al}\left(\mathrm{ClO}_{2}\right)_{3}$
f. $\mathrm{Pb}\left(\mathrm{C}_{2} \mathrm{H}_{3} \mathrm{O}_{2}\right)_{2}$
g. $\mathrm{MgCO}_{3}$

Lottie Adams

Numerade Educator