Chapter 8 Chemistry

Arrange the following bonds in order of increasing polarity: C-O,C-C,C-N,C-F

A.) C-C<C-N<C-O<C-F

Which of the following compounds is likely to have covalent bonds?

A.) CO

The formula for calcium nitride is

A.) Ca3N2

Which of the following is the most electronegative?

A.) F

Arrange the following bonds in order of increasing polarity: O-H,C-H,F-H,H-H

A.) H-H<C-H<O-H<F-H

Which of the following substances has both ionic and covalent bonding?

A.) MgCO2

Identify the main-group element X that could form the compound with the following Lewis structure

A.) c

Which of the following compounds is likely to have covalent bonds?

A.)SO2

The Lewis symbol for N is

B

The Lewis symbol for O2- is

B

How many single bonsd are typically formes by the element o?

B.) 2

The covalently drawn lewis structure for CH4 will have

B.) 4 single bonds to C

Which of the following molecules contains the most polar bonds?

B.) CF4

An unknown molecular compound has the following Lewis structure. Which of the following elements could identify of x?

B.) N

Which of the followinf elements is the most electronegative?

B.) oxygen

Which if the following best represents the bonding for CaO?

C.)

Arrange the following bonds in order of increasing polarity: F-F,F-C,F-O,F-N

C.) F-F<F-O<F-N<F-C

IN which of the following molecules does oxygen have a partial positive charge?

C.) OF2

Which of the following substances has bonding best described as ionic bonding?

C.) TiO2

How many single bonds are typically formed by the element N?

C.)3

Draw the Lewis structure for NO2- ion. What is the total number of electrons shared between nitrogen and 2 oxygen atoms

C.)8

Using the periodic trends, arrange the following atoms in order of increasing electronegativity : F,O,N,C

A. C<N<O<F

Which of the following best represents the bonding for MgCl2?

A.) (picture)

The covalently drawn lewis structure for C2H2 will have

A.) 2 single bonds and 1 triple bond

The covalently drawn lewis structure for CBr4 will have

A.) 4 single bonds

The Lewis symbol for F is

D

The Lewis symbol for P3- is

D

How many single bonds are typically formed by the element C?

D.) 4

The formula for aluminum oxide is

D.) Al2O3

The formula for aluminum chloride is

D.) AlCl3

Which of the following statements regarding covalent bonding is incorrect

D.) Hydrogen atoms in a Lewis structure will have 8 electrons around the H symbol

In which of the following bonds does nitrogen have a partial negative charge

D.) N-C

Identify the main-group element X that could form the compound with the following Lewis structure

D.) P

Which of the following contains a double bond?

D.)H2

The Lewis symbol for S is

E

Which of the following compounds is likely to have covalent bonds?

E.) NO2

Identify the main-group element X that could form the compound with the following Lewis structure

E.) o

Using the periodic trends, arrange the following atoms in order of increasing electronegativity : F,CL,Br,I

E.)I<Br<Cl<F

Which of the following contains a triple bond?

E.)N2