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LBC Chap 5 Review

Total questions: 55

Worksheet time: 48mins

Name
Class
Date
1.

Which substance do you predict will dissolve in water?

a)

Al (s)

b)

SiO2 (s)

c)

Cu(s)

d)

CaCl2(s)

2.

Which of these compounds will not dissolve at all in water?

a)

Al (s)

b)

SnF2 (s)

c)

Fe2(SO4)3(s)

d)

CaCl2(s)

3.

Which substance can you predict will conduct electricity based on the formula and physical form described?

a)

C4H10 (l)

b)

AlCl3(aq)

c)

C8H18(aq)

d)

LiCl(s)

4.

Which of these is the best description of a metal?

a)

soluble in water, conductive

b)

soluble in water, nonconductive

c)

insoluble in water, conductive

d)

insoluble in water, nonconductive

5.

What type of bonding holds the atoms of ethanol, C2H6O, together?

a)

ionic

b)

metallic

c)

network covalent

d)

molecular covalent

6.

Based on their chemical structures, which of these materials is likely to be soluble in water?

a)

C (s) (diamond)

b)

C20H42(s)

c)

Fe(s)

d)

Ba(NO3)2(s)

7.

What does the term soluble mean?

a)

Can dissolve into something else

b)

Can not dissolve into something else

c)

To disperse evenly into another substance.

d)

A property that describes how well a substance transmits electricity.

8.

What type of bonding has the following properties:

Can dissolve in water.

Tend to be solids.

Can conduct electricity when dissolved in water.

a)

Metallic

b)

Ionic

c)

Molecular Covalent

d)

Network Covalent

9.

Which of the following substances will dissolve in water?

a)

Ca

b)

NO2

c)

Si

d)

CH4

e)

CuSO4

10.

Select which of the following statements are true.

a)

Copper(II) sulfate, CuSO4, does not dissolve in water.

b)

Glass, made of silicon dioxide, SiO2, does not dissolve in water.

c)

Ethanol, C2H6O, dissolves in water but does not conduct electricity.

d)

Brass, also called copper zinc, CuZn, conducts electricity.

e)

Pure iron, Fe, dissolves in water.

11.

A substances does not dissolve in water, and doesn't conduct electricity. What kind of bonding is present in it?

a)

Ionic

b)

Molecular Covalent

c)

Metallic

d)

Network Covalent

12.

What kind of bonding is represented by this picture?

a)

Ionic

b)

Molecular Covalent

c)

Metallic

d)

Network Covalent

13.

Which statement is true about aqueous (it has been dissolved in water) aluminum chloride?

a)

Aqueous aluminum chloride is a substance containing nonmetal atoms only. When dissolved in water, aluminum chloride will conduct electricity.

b)

Aqueous aluminum chloride is a substance containing metal and nonmetal atoms. When dissolved in water, aluminum chloride will not conduct electricity.

c)

Aqueous aluminum chloride is a substance containing nonmetal atoms only. When dissolved in water, aluminum chloride will not conduct electricity.

d)

Aqueous aluminum chloride is a substance containing metal and nonmetal atoms. When dissolved in water, aluminum chloride will conduct electricity.

14.

What type of bonding is found in ammonia, NH3(s)?

a)

Ionic

b)

Metallic

c)

Molecular covalent

d)

Network covalent

15.

Sugar is an example of a compound that is held together by molecular covalent bonding. Therefore, sugar is _____.

a)

bendable and malleable

b)

durable, rigid, and difficult to break

c)

relatively easy to separate into smaller pieces

d)

hard but brittle, fracturing along planes

16.

Elements on the LEFT side of the periodic table will most likely form:

a)

Positive ions

b)

Negative ions

c)

Neutral Ions

d)

None of these

17.

An ionic bond forms when atoms ___________ electrons.

a)

gain

b)

share

c)

increase

d)

transfer

18.

Which type of bond has an equal sharing of electrons?

a)

Coordinate Hybrid

b)

Non Polar Covalent

c)

Ionic

d)

Metallic

19.

Which type of bond has a transfer of an electron from on atom to another?

a)

Polar Covalent

b)

Non Polar Covalent

c)

Ionic

d)

Metallic

20.
Chemical bonds form when atoms
a)
combined nuclei
b)
give up neutrons
c)
gain protons
d)
share or transfer electrons
21.

Bonds that form between two metals are called ______________ bonds.

a)

ionic

b)

covalent

c)

metallic

d)

pervasive

22.

If an atom loses two electrons what charge will it have?

a)

+ 2

b)

- 2

c)

+1

d)

-1

23.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
24.

Which type of bond creates a "pool" of electrons between atoms?

a)

Ionic Bonds

b)

Covalent Bonds

c)

Metallic Bonds

d)

Saving Bonds

25.

Which of the following is an example of an IONIC COMPOUND?

a)

NaCl

b)

H2O

c)

CO2

d)

NO

26.

Which of the following is an example of a COVALENT COMPOUND?

a)

H2S

b)

KI

c)

CaCl2

d)

MgO

27.

Which category of elements have the property of being malleable and ductile?

a)

gases

b)

metals

c)

metalloids

d)

nonmetals

28.

Alloys include a "sea" of free moving _______.

a)

electrons

b)

atoms

c)

molecules

d)

protons

29.

Ionic bonds are between _______ and ________.

a)

nonmetals and nonmetals

b)

metals and metals

c)

metals and nonmetals

d)

none of these options

30.

In covalent bonding, electrons are

a)

shared

b)

transferred

c)

wiped out

31.

Outer shell electrons are called

a)

outer electrons

b)

valence electrons

c)

negatives

32.

The compound formed between lithium and chlorine is _________.

a)

ionic

b)

covalent

33.

What would be the formula for this molecule?

a)

SNa3

b)

H3O

c)

NaCl

d)

H2O

34.

What if the formula for this molecule ?

a)

CO

b)

CO2

c)

C2O

d)

C2O2

35.

What is the basis of a metallic bond?

a)

the attraction of neutral metal atoms.

b)

the attraction between protons and neutrons.

c)

the attraction between positive metal ions and interlocking electrons.

d)

the attraction between positive metal ions and free floating electrons.

36.

Typically, atoms are more stable when they are

a)

bonded together

b)

apart from each other

37.

Covalent bonding is between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

d)

It depends on the situation

38.

Which bond does this picture best represent?

a)

Metallic bond

b)

ionic bond

c)

covalent bond

d)

James Bond

39.

What do positive ions tend to do?

a)

lose electrons

b)

gain electrons

c)

lose protons

d)

gain protons

40.

Which category of elements usually form negative ions?

a)

metals

b)

nonmetals

c)

metalloids

d)

noble gases

41.

What category of element usually forms a positive ion?

a)

Metals

b)

Nonmetals

c)

metalloids

d)

Noble gases

42.

Electrons in the outermost shell are called

a)

Space Cadets

b)

I do not know and do not want to guess.

c)

Valence Electrons

d)

Orbital Electrons

43.

What type of charge will an atom have if it gains electrons?

a)

Positive

b)

Negative

c)

Neutral

d)

I do not know and do not want to guess.

44.

What type of charge will an atom have if it loses electrons?

a)

Positive

b)

Negative

c)

Neutral

d)

I do not know and do not want to guess.

45.

All atoms in the same group or family on the periodic table share the same

a)

number of protons

b)

number of valence electrons

c)

I do not know and do not want to guess.

d)

number of electrons

46.

An element located in Group 5A (15) of the periodic table will have how many valence electrons?

a)

15

b)

I do not know and do not want to guess.

c)

1

d)

5

47.

The bond between Na & F. Ionic or covalent?

a)

Ionic

b)

Covalent

48.

The bond between N & H. Ionic or covalent?

a)

Ionic

b)

Covalent

49.

What type of bond forms when electrons are transferred from one atom to another?

a)

ionic bond

b)

atomic bond

c)

covalent bond

d)

metallic bond

50.

This animation is showing which of the following?

a)

A conductive compound

b)

A soluble compound

c)

An insoluble compound

d)

A nonconducting compound

51.

This animation is showing which of the following?

a)

A conductive compound

b)

A malleable compound

c)

An insoluble compound

d)

A nonconducting compound

52.

This animation is showing which of the following?

a)

A conductive compound

b)

A soluble compound

c)

An insoluble compound

d)

A nonconducting compound

53.

Do you predict that aqueous lithium sulfate, Li2SO4(aq), will conduct electricity? Explain your reasoning.

4 lines
54.

Do you predict that octane, C8H18(l) will conduct electricity? Explain your reasoning.

4 lines
55.

Select all of the substances that contain ionic bonding

a)

LiBr (s)

b)

Fe (s)

c)

CO2 (g)

d)

NI3 (s)

e)

Hg2(NO3)2 (s)

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