rcking Eoncepts
Jeremy states that nitrogen dioxide, NO, is
not a binary compound because it contains
three atoms in the molecule. Is Jeremy
correct or incorrectl Explain your reasoning.
\44ry do people with diets that contain a lor
of fish not suffer from goitresf
What ending do all binary compounds
share, whether they are ionic or molecular
compoundsf
Fiona r,vrites the formula for calcium chloride
Ca,Clr. Is this correctl Explain why or why
not.
The ratio of calcium to fluorine in calcium
fluoride is 1:2. Based on this, can the ionic
binary compound be written as CarFul
Explain why or r,vhy not.
\44rich of the following are binary
compoundsf
A1Cl3, H2O, CNO, C6F{.2O6, MgS, PbF2,
NaHCO3, NaOH
Write the names of the ionic compounds that
form using the following elements.
(a) silver and chlorine
(b) orl,gen and zinc
(c) beryllium and iodine
(d) fluorine and magnesium
Identify the charge on the metallic ion in the
follor.ving ionic compounds.
(a) Pbo,
(b) Cus
(c) CrF,
(d) FeN
A test question asks you to write the formula
for iron oxide. \44rat further information do
you need in order to write the compound's
formula, and horv would this information be
indicated in the questionf
Mercury has the chemical svmbol Hg and
can form two ions when forming ionic
compounds. Write and name the nvo possible
compounds that could form when mercllrv
combines with or1,gen.
Understanding l(ey ldeas
't1. Tr.vo sodium atoms are walking dou,n the
street when one turns to the other and says,
"I lost an electron." The other says, "Are you
suref " The first one says) "Yes, I am positive."
Trailing behind is a magnesium atom, which
proudly annollnces) "Ha),, I am positive too."
Explain r,r.hat the ions in this story are really
telling us about the qpe of ion they form in
ionic compounds.
12. Some people call the method of writing
formulas fbr ionic compounds "electron
accounting." Explain why fllir is a good
as
name
.
David states that the name of CuCl, is
copper(I) chloride while Terri states that the
name is copper(II) chloride. !\4rich is correct|
Explain your answer.
14. Write the formulas for each of the following:
(a) iron(II) nitride (c) copper(I) sulfide
(b) lead(Il) oxide (d) tin(Iv) fluoride
15. Write formulas for each of the following:
(a) nitrogen dioxide
(b) sulfur trioxide
(c) dinitrogen tetraoxide
(d) phosphorus pentachloride
16. Name each of the following:
(a)A1PO* (c) I(HCO.
(b) NarCoa (d) Mg(oH),
17. Write formulas for the following:
(a) sodium sulfate
(b) magnesium phosphate
(c) calcium nitrate
(d) aluminum chlorite
18. Write formulas for the following:
(a) copper(I) chlorate
(b) irori(II) phosphate
(c) tin(IV) carbonate
(d) nickel(II) permanganate
13.
Frqflrertr frmgn
Consider the importance of using systematic
names and formulas in the planning and
analysis of a scientific investigation.
Chapter
3
Chemical Names, Formulas, and Equations
. MHR
Ehecking Eoncepts
1.
leremy states thar nitrogen dioxide, NOr, is
not a binary compound because it contains
three atoms in the molecule. Is leremy
correct or incorrectf Explain \.our reasoning.
2. Why do people with diets thar contain a lor
of fish nor sufTer from goitresf
3. W4rat ending do all binary compounds
share, r,vhether they are ionic or molecular
compoundsf
4. Fiona u,rites the formula for calcium chloride
as Ca,Clr. Is this correcrl Explain why 61"r1r,
not.
5. The ratio of calcium to fluorine in calcium
fluoride is 1:2. Based on this, can the ionic
binary compound be lr,,ritten as Ca.Ful
Explain rvhy ol why not.
5. l\4rich of the following are binary
compoundsf
AlCl3, H2O, CNO, C6H12O6, MgS, pbF2,
NaHCO3, NaOH
7. Write the names of the ionic compounds that
form using the fbllowing elemcnts.
(a) silver and chlorine
(b) oxygen and zinc
(c) beryllium and iodine
(d) fluorine and magnesium
8. Identi{, the charge on rhe metallic ion in the
following ionic compounds.
(a) Pbo,
(b) CUS
(c) CrF.
(d) FeN
9. A test question asks you to r,vrite the formula
for iron oxide . What further infbrmation do
vou need in order to write the compound,s
formula, and hou, would this information be
indicated in the quesrionf
10. Mercury has the chemical s,vmboi Hg and
can form two ions when forming ionic
compounds. Write and name dre tu.o possible
compounds that cor,rld form u,hen mercury
combines u,ith oxygen.
Understanding Key ldeas
11. Two sodium atoms are walking down the
street r,vhen one turns to the other and says,
"I lost an electron." The other savs, .,Are 1r6s
suref " The first one sa)is) "Yes, I am positive.,,
Trailing behind is a magnesium arom, rvhich
proudly announces) "II.y, I am positive too.,,
Explain what the ions in this story are really
telling us about the type of ion they form in
ionic compounds.
12. Some people call the method of ruiting
formulas for ionic compounds ..electron
accounting." Expltrin why this is a good
name.
David states that the name of CuCl, is
copper(I) chloride rvhile Terri states that the
name is copper(II) chloride. \{4rich is correctf
Explain your answer.
14. Write the formulas for each of the following:
(a) iron(II) nitride (c) copper(I) sutfide
(b) Iead(II) oxide (d) tin(IV) fluoride
15. Write formulas for each of the follor,ving:
(a) nitrogen dioxide
(b) sulfur trioxide
(c) dinitrogen terraoxide
(d) phosphorus penrachloride
16. Name each of the following:
(a)AlPOn
(c) I(HCO,
(b) NarCoa (d) Mg(oH),
17. \Yrite formulas for the following;
13.
(a) sodir-rm sulfate
(b) magnesium phosphate
(c) calcium nitrate
(d) aluminum chlorite
Write formulas fbr the fbllou,ing:
(a) copper(I) chlorate
(b) iron(II) phosphate
(c) tin(Iv) carbonare
(d) nickel(Il) permanganate
18.
ffirrygmrffi #trffi#$
Consider the importance of using systematic
names and formulas in the planning and
analysis of a scientific investigation.
Chapter
3
Chemical Names, Formulas, and Equations
. MHR