How can we help?

You can also find more resources in our Help Center.

41 terms

Chapter 7

STUDY
PLAY
How many atoms of fluorine are present in a molecule of carbon tetrafluride, CF4?
4
Does NaCl (table salt) represent a molecule?
No
What is the formula for zinc fluoride?
ZnF2
What is the formula for the compound formed by calcium ions and chloride ions?
CaCl2
What is the formula for aluminum sulfate?
Al2(SO4)3
What is the formula for tin(IV) chromate?
Sn(Cro4)2
Name the compound Fe(NO2)2
iron(II) nitrite
Name the compound CuCO3
copper(II) carbonate
Using the Stock system, name the compound PbO
lead(II) oxide
Name the compound N2O4
dinitrogen tetroxide
Which compound's name includes the greek numberal prefixes di- and tri-? a. Fe2O3 B. Ca3(PO4)2 c. N2O3 d. Al2S3
c. N2O3
Name the compound N2O3
dinitrogen trioxide
What is the oxidation number of an uncombined element?
0
In a compound, the algebraic sum of the oxidation numbers of all atoms equal
0
In a polyatomic ion, the algebraic sum of the oxidation numbers of all atoms is equal to
the charge of the atom
What is the oxidation number of carbon in Cl4?
+4
What is the oxidation number of hydrogen in KH?
+1
What is the oxidation number of hydrogen in H20?
+1
Name the compound PBr5 using the Stock system
phosphorus(V) bromide
what is the formula mass of magnesium chloride, MgCl2?
95.211 amu
what is the formula mass of ethyl alcohol, C2H5OH?
46.069 amu
the mola mass of NO2 is 46.01 g/mol. how many moles of NO2 are present in 114.95 g?
2.498 mol
what is the percentage composition of CF4
13.6% C, 86.45 F
What is the percentage composition of OH- in Ca(OH)2
45.9%
what is the percentage composition of oxygen in H2O
88.8%
how many valence electrons does a carbon atom have?
4
what do all organic compounds contain?
carbon
what kind of formula shows the numbers and types of atoms in a molecule but not the bonds?
molecular formula
what kind of formula shows the numbers and types of atoms in a molecule and the bonds?
structural formula
hydrocarbons in which carbon atoms are connected by only single bonds in straight chains or branched chains are called ?
alkanes
is propane an alkane?
yes
Name the chemical compound: NaBr
sodium bromide
Name the chemical compound: Ca(C2H3O2)2
calcium acetate
Name the chemical compound: P2O5
diphosphorus pentaoxide
Name the chemical compound: Ti(SO4)2
titanium sulfate
Name the chemical compound: FePO4
iron(III) phosphate
write the formula for the chemical compound: silicon dioxide
SiO2
write the formula for the chemical compound: nickel (III) sulfide
Ni2S3
write the formula for the chemical compound: manganese (II) phosphate
Mg(PO4)
write the formula for the chemical compound: silver acetate
Ag (CH3OO)
write the formula for the chemical compound: diboron tetrabromide
B2Br4