Chemistry: Bonding Review Questions (Answers)

The formula for aluminum hydroxide is

Al(OH)3

Which of the following is named incorrectly? A. CO (carbon (II) oxide) B. OF2 (difluorine oxide)] C. H3P (trihydrogen phosphide)

All

Which of the following would contain both covalent and ionic bonding? A. CaO B. Ca(NO3)2 C. CO2

Ca(NO3)2

The ions Ca2+ and PO4 3- form a salt with the formula

Ca3(PO4)2

Predict the formula of the ionic compound that forms from Calcium and Fluorine.

CaF2

When calcium reacts with sulfur the compound formed is __________.

CaS

A valid Lewis structure of __________ cannot be drawn without violating the octet rule. A. ClF3 B. PCl3 C. SO3 D. CCl4 E. CO2

ClF3

Which one of the following compounds is copper (I) chloride?

CuCl

Which formula/pair is incorrect? A. Mn(NO2)2 B. Mg(NO3)2 C. Mn(NO3)2 D. Mg3N2 E. Mg(MnO4)2

D????

The correct formula of iron (III) bromide is __________.

FeBr3

The only noble gas without eight valence electrons is __________.

He

Which of the following atoms is without lone electrons to be shared?

He

Magnesium reacts with a certain element to form a compound with the general formula MgX. What would the most likely formula be for the compound formed between Lithium and element X?

Li2X

Predict the formula of the ionic compound that forms from magnesium and oxygen.

MgO

Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X)2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

Na3X

Of the following elements, which one will NOT be found as a diatomic molecule in its elemental state?

Sulfur????

The substance below BEST characterized as having a high melting point and able to conduct electricity in the liquid state only would be A. CH4 B. V2O5 C. CO D. HF E. C (Diamond)

V2O5

The correct name for BCl3 is __________.

boron trichloride

The correct name for Cu(CN)2 is

copper (II) cyanide

As the number of covalent bonds between two atoms increases, the distance between the atoms __________ and the strength of the bond between them __________.

decreases, increases

The correct name for N2O5 is __________.

dinitrogen pentoxide

The name of the binary compound N2O4 is __________.

dinitrogen tetroxide

Metals tend to __________ electrons and nonmetals tend to __________ electrons.

lose, gain

The correct name for Mg(ClO3)2 is

magnesium chlorate

When a metal and a nonmetal react, the __________ tends to lose electrons and the __________ tends to gain electrons.

metal, nonmetal

Sulfur forms an ion with a charge of __________.

2-

How many total carbonate ions would be present in the formula for aluminum carbonate?

3

The charge on the iron ion in the salt Fe2O3 is __________.

3+

The charge on the manganese in the salt MnCl3 is __________.

3+

Predict the charge of the most stable ion of P.

3-

How many single covalent bonds must a silicon atom form to have a complete octet in its valence shell?

4

In the Lewis symbol for an Iodine atom, there are __________ paired and __________ unpaired electrons.

6,1

Which of the following BEST describes the bonding found within solid aluminum oxide?

????

Which of the following BEST explains the relatively low melting point of covalent molecular substances?

????

Of the bonds C - N, C = N, C ≡ N the C - N bond is __________.

weakest/longest

Sodium forms an ion with a charge of __________.

1+

The Lewis structure of phosphorus trichloride shows that the central phosphorus atom has __________ non-bonding and __________ bonding electron pairs.

1, 3

Bromine forms an ion with a charge of __________.

1-

Iodine forms an ion with a charge of __________.

1-

How many electrons does the Al3+ ion possess?

10

A double bond (1 sigma and 1 pi bond) consists of __________ pairs of electrons shared between two atoms.

2

Calcium forms an ion with a charge of __________.

2+

There are __________ paired and __________ unpaired electrons in the Lewis symbol for a Nitrogen atom.

2, 3

Of the following metal ions, which would be MOST likely to have a +4 charge?

Pb

A valid Lewis structure of __________ cannot be drawn without violating the octet rule A. NF3 B. BeH2 C. SO2 D. CF4 E. SO3 2-

SO2????

Which metal is capable of forming more than one cation?

Sn

The correct name for Al2O3 is __________.

aluminum oxide

Anions tend to be __________ and cations tend to be __________.

nonmetals, metals

Of the choices below, which one is not an ionic compound?

phosphorus pentachloride

Resonance structures differ by __________.

placement of electrons only

The correct name of the compound Na3N is __________.

sodium nitride

Which of the following compounds would you expect to be ionic?

strontium chloride

The correct name for SrO is __________.

strontium oxide

The correct name for SO is __________.

sulfur monoxide

Which pair of elements is most apt to form a molecular compound with each other?

sulfur, fluorine

According to VSEPR theory, if there are five electron domains in the valence shell of an atom, they will be arranged in a(n) __________ geometry.

trigonal bipyramidal

According to VSEPR theory, if there are three electron domains in the valence shell of an atom, they will be arranged in a(n) __________ geometry.

trigonal planar

The correct name for XeF4 is __________.

xenon tetrafluoride