Covalent bonding reading
Which of the following statements correctly describe hydrates? Select all that apply.
A hydrate is named using a Greek prefix to indicate the number of water molecules per unit. A hydrate contains a specific number of water molecules per formula unit of compound. Heating a hydrate can remove some or all of the water molecules from the compound.
Select the statements that correctly describe naming an oxoanion. Select all that apply.
An oxoanion containing two fewer oxygen atoms than the -ate ion is called the hypo...ite ion. An oxoanion containing one more oxygen atom than the -ate ion will have the prefix per- added.
When naming a molecular compound, the number of ____ of each element is indicated by a Greek numerical prefix. The first element in the name is numbered only when more than ____ atom of that element is present.
Blank 1: atoms Blank 2: one or 1
An acid that has only one ionizable proton is termed ____, whereas an acid with two or more ionizable protons is termed _____.
Blank 1: monoprotic Blank 2: polyprotic or diprotic
Greek numerical prefixes are used to indicate the number of atoms of a particular element present in a molecular compound. Four atoms of the same element will be named with the prefix ____, while the prefix _____ is used to indicate two atoms of the same element.
Blank 1: tetra or tetra- Blank 2: di or di-
Which of the following formulas for ionic compounds are written correctly? Select all that apply.
CaCO3 Mg3(PO4)2 NaNO3
Which of the following statements correctly describe how to name acids? Select all that apply.
The name of a binary acid contains the nonmetal root with the suffix -ic. Binary acids are named using the prefix hydro-.
Which of the following statements correctly describe how to name a binary molecular compound? Select all that apply.
The name of the first element remains unchanged, except for the addition of a prefix where appropriate. The second element is named with its root and the suffix -ide. A Greek numerical prefix is used to indicate the number of atoms of each element in the compound.
The BrO3- ion is named bromate. What is the name of the oxoacid with the formula HBrO3?
bromic acid
Which of the following is the correct name for the molecular compound NO2?
nitrogen dioxide
A unit that contains two or more atoms covalently bonded together but that has an overall charge is called a(n) _____ ion. Many _____ compounds contain such units.
polyatomic; ionic
Which of the following is the correct name for Sr(NO3)2⋅4H2O?
strontium nitrate tetrahydrate
The correct formula for the compound dichlorine pentoxide is Cl ____ O ____ Enter your answer in the correct format.
Blank 1: 2 Blank 2: 5
Give the common name for each of the following molecular compounds. NH3 is ____ and H2O is ____
Blank 1: ammonia Blank 2: water
Select all the polyprotic acids.
H2SO4 H3PO4
Which of the following acids is named correctly as an acid?
HBr: hydrobromic acid
Which of the following statements correctly describe the rules for naming oxoacids? Select all that apply.
The acid derived from the chlorite anion would be called chlorous acid. The names of oxoacids are related to the names of the oxoanions from which they are derived. The acid derived from the bromate anion would be called bromic acid.
Which of the following options correctly describe a polyatomic ion? Select all that apply.
The charge on a polyatomic ion belongs to the whole unit. The atoms of a polyatomic ion are held together by covalent bonds.
The oxoacid of the nitrate ion is called _____ while that of the nitrite ion is called ______.
nitric acid; nitrous acid
What is the correct systematic name for the compound Na2CO3?
sodium carbonate
