Covalent Compounds review

1.

Multiple Choice

30 sec

1 pt

Name the type of bonding in which the electrons are shared.

Ionic bonding

Covalent bonding

Metallic bonding

2.

Multiple Choice

30 sec

1 pt

The covalent bond forms between

a metal and nonmetal

a nonmetal and nonmetal

a metal and metal

3.

Multiple Choice

30 sec

1 pt

The number of electron pairs shared in double bond.

One

Two

Three

4.

Multiple Choice

30 sec

1 pt

Number of covalent bonds can form in group 16

three

two

four

5.

Multiple Choice

30 sec

1 pt

As bond length increase the strength...

increases

decreases

no change

6.

Multiple Choice

30 sec

1 pt

The energy required to break the bonds between two covalently bonded atoms

bond dissociation energy

activation energy

none of these

7.

Multiple Choice

30 sec

1 pt

The reaction in which the energy released.

endothermic

exothermic

none of these

8.

Multiple Choice

30 sec

1 pt

The number of covalent bonds form in group 17

One

Two

Three

9.

Multiple Choice

30 sec

1 pt

The number of pairs of electrons shared in triple covalent bond

Two

Three

One

10.

Multiple Choice

30 sec

1 pt

Which of the following statements is FALSE?

A nonpolar covalent bond is a bond in which e- are shared unequally.

A resonance structure occurs when more than one possible Lewis structure can be drawn for a molecule

Only valence electrons are used in bonding.

Bromine is an example of a diatomic element.

11.

Multiple Choice

30 sec

1 pt

Which of the following is a correct description of the VSEPR theory?

used to predict the shape of a molecule

used to draw resonance structures

explains why some reactions are exothermic

used to determine bond dissociation energy

12.

Multiple Choice

30 sec

1 pt

How many electrons are available for bonding in the molecule CO₂?

8

10

12

16

13.

Multiple Choice

30 sec

1 pt

How many electrons are available for bonding in the molecule PO₄^-3?

24

29

32

35

14.

Multiple Choice

30 sec

1 pt

Which type of bond is the strongest bond?

single

double

triple

15.

Multiple Choice

30 sec

1 pt

Which type of bond is the longest bond?

single

double

triple

16.

Multiple Choice

30 sec

1 pt

A reaction in which more energy was released when new bonds were formed than was absorbed when bonds were broken.

isothermic reaction

endothermic reaction

exothermic reaction

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