9.4 Compound Name and Formula Review
What is the ending for the names of all binary compounds, both ionic and molecular?
"ide"
When the name of an anion that is part of an acid ends in -ite, the acid name includes the suffix _______
"ous"
What is the charge of the cation in PbO?
+2 (lead (II))
What is the charge of iron in Fe2S3?
+3
What is the charge of the anion in PbO?
-2 (oxide)
nona is the prefix that means ____________
9
What is the correct formula for calcium hydrogen phosphate?
CaHPO4
What is the charge of the cation in the compound Fe2(SO4)3 ?
Fe is the cation. There are 3 sulfates with -2 each = -6 total charge. 2 Fe ions must each have +3 to balance the charge. Fe +3 is the answer.
What is the formula for ferric hypoiodite?
Fe(IO)3
How many iron (II) ions combine with oxygen to form iron (II) oxide?
FeO is iron (ii) oxide, so it take one iron (II) ion.
What is the charge of the chloride ion?
Group 7A = -1
Which of the following is an oxyacid? H2CO3; C2H5OH HBr; H2S; C12H22O11
H2CO3; Hydrogen with a polyatomic ion makes an oxyacid.
What is the formula for hydrosulfuric acid?
H2S
What is the formula for phosphoric acid?
H3PO4
Which of the following shows both the correct formula and correct name of an acid? HI, iodic acid; H3PO4, phosphoric acid; HClO2, chloric acid; H2S, hyposulfuric acid; HNO2, hydronitrous acid
H3PO4 is phosphoric acid.
What is the formula for hypobromous acid?
HBrO
What is the name of this compound: Fe(C2H3O2)3?
Iron (III) acetate
What makes a compound a binary covalent or binary molecular compound?
It is a compound made of two nonmetal elements bound together.
What does an "-ate" ending in a polyatomic ion mean?
It means that oxygen is in the formula.
What is the correct formula for potassium sulfite? (1 point)
K2SO3
What is the name of this compound: Mn2O3
Manganese (III) oxide Remember to use roman numerals in the names of compounds that use a transition metal.
What is the correct formula for sulfur hexafluoride?
SF6
Give the charge of the ions in Sn3N4
Sn +4 and N-3
What is the formula of stannic fluoride?
SnF4
Suppose you encounter a chemical formula with H as the cation. What do you know about this compound immediately?
The compound is an acid.
What is the formula for titanium (II) carbonate
TiCO3
What is the stock system name of Sn3N4?
Tin (IV) nitride
In naming a binary molecular compound, the number of atoms of each element present in the molecule is indicated by _________
a prefix that represents the number of atoms in the subscript.
What is the name of this compound: NH4OH?
ammonium hydroxide
What is the name of BaHPO3?
barium hydorgen phosphite or barium biphosphite
What is the correct name for the compound CoCl2?
cobalt (II) chloride
Molecular compounds are usually ____________.
composed of two or more nonmetallic elements
What kind of compound is P2Cl8?
covalent or molecular
What kind of compound is H3N?
covalent or molecular. This is also a binary acid
What is another name for cuprous nitrate?
cuprous is copper (I), so copper (I) nitrate
What is the stock system name and the acid name for H2SO3?
dihydrogen sulfite is stock system name. sulfurous acid is the acid name.
What is the correct name for N2O5 ?
dinitrogen pentoxide
What is the name of P2Cl8?
diphosphorus octachloride
What is the stock system name and the acid name for HF?
hydrogen fluoride and hydrofluoric acid
When dissolved in water, acids produce __________
hydrogen ions
What is produced when a base is dissolved in water?
hydroxide ions
What kind of compound is Fe(C2H3O2)3?
ionic
What kind of compound is NH4OH?
ionic. This is also a base.
What is the stock system name and the classical name of Pb(ClO4)4
lead (IV) perchlorate and plumbic perchlorate
What is the ionic charge of the zirconium ion in the compound zirconium oxide, ZrO2?
oxide is -2 and there are 2 of them = -4 total. The single Zr ion must have a +4 charge.
What is the formula for stannic oxide?
stannic is tin (IV), so Sn+4O-2. Criss-cross the charges to get Sn2O4, but you reduce the subscripts to get SnO2.
What is the stock system and the acid name for HClO?
stock system name = hydrogen hypochlorite and the acid name is hypochlorous acid
What is the correct name for Sn3(PO4)2?
tin(II) phosphate
What is the name of this compound: H3N?
trihydrogen nitride The acid name is hydronitric acid
What is the name of N3O7?
trinitrogen heptoxide