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Ch 5 & 6 Assessment Review

Total questions: 114

Worksheet time: 3hrs 52mins

Name
Class
Date
1.

When one substance evenly distributes into another substance.

a)

Dissolve

b)

Chemical Bond

c)

Conductivity

d)

Molecule

2.

Property of a substance: the ability to to dissolve into another substance

a)

solubility

b)

chemicality

c)

insolubility

d)

conductivity

3.

Property of a substance: the inability to to dissolve into another substance.

a)

solubility

b)

chemicality

c)

insolubility

d)

conductivity

4.

Property of a substance: the ability to conduct electricity.

a)

bendiness

b)

malleability

c)

insolubility

d)

conductivity

5.

The attraction between 2 or more atoms. These are held together by electrons.

a)

chemical bond

b)

ion

c)

covalent

d)

molecule

6.

A bond formed between two ions with opposite charges.

a)

ionic bond

b)

network covalent bond

c)

metallic bond

d)

molecular covalent bond

7.

A bond between 2 or more nonmetal atoms.

They liquids and gases. Electrons are SHARED between individual molecules. They DO dissolve. They DON'T conduct.

a)

ionic bond

b)

network covalent bond

c)

metallic bond

d)

molecular covalent bond

8.

A bond between 2 or more metal atoms in which the valence electrons are free to move anywhere they want. These substances DO conduct electricity and do NOT dissolve.

a)

ionic bond

b)

network covalent bond

c)

metallic bond

d)

molecular covalent bond

9.

A bond between 2 or more nonmetal atoms. They very strong solids. Electrons are SHARED in a network. These substances DON'T dissolve. They DON'T conduct.

a)

ionic bond

b)

network covalent bond

c)

metallic bond

d)

molecular covalent bond

10.

A bond between 2 nonmetal atoms. This is when atoms share an electron pair. There are two types: _&_.

a)

ionic bond

b)

network covalent bond

c)

metallic bond

d)

molecular covalent bond

11.

a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

a)

molecule

b)

ion

c)

metalloid

d)

zelda

12.

The chemical formula of a molecular substance.

(a)  

13.

What shows the types of atoms and the ratios of those atoms in a molecule?

(a)  

14.

Is a molecular formula the same thing as a chemical formula?

a)

only in molecular covalent compound

b)

yes

c)

no

d)

only in a laboratory

15.

What is a drawing/diagram that shows how atoms in a molecule are connected?

(a)  

16.

What does each line in a structural formula represent?

(a)  

17.

molecules with the same molecular formula, but different structural formulas.

a)

isomer

b)

isotope

c)

philladelphia

d)

ethanol bond

18.

Predictions based on smell are:

a)

reasonably accurate

4/5

b)

always accurate

5/5

c)

never accurate

0/5

d)

sometimes accurate

2.5/5

19.

2 compounds can have...

a)

identical molecular formulas.

b)

very different smells.

c)

identical boiling points.

d)

no structural formulas.

20.

What are Chemical Compounds?

a)

Molecular formulas

b)

mixtures of two or more elements non chemically bonded

c)

chemical substances made from more than one element chemically bonded together

d)

chemical substances made from more than one element not chemically bonded together just sitting next to each other

21.

How are Chemical compounds expressed?

a)

Chemical Chart

b)

Chemical name

c)

Chemical Table

d)

Chemical Formula

22.

Which formulas represent compounds that are isomers of each other?

a)
b)
c)
d)
23.

Given a formula representing a compound:Which formula represents an isomer of this compound?

a)
b)
c)
d)
24.

Which is an isomer of

a)
b)
c)
d)
25.
Which of the following is true about structural isomers?
a)
Have the same molecular formula
b)
Have different physical and chemical properties.
c)
Have the same number of elements
d)
all of the above
26.
Are the compounds shown isomers
a)
Yes
b)
No
27.
Are the following molecules isomers?
a)
Yes
b)
No
28.
Are the following molecules isomers?
a)
Yes
b)
No
29.

Hydrogen makes how many bonds?

a)

4

b)

2

c)

1

d)

3

30.

Carbon makes how many bonds?

a)

1

b)

4

c)

2

d)

NONE OF THE ABOVE

31.

Oxygen makes how many Bonds?

a)

2

b)

3

c)

4

d)

1

32.

Nitrogen makes how Bonds?

a)

2

b)

4

c)

1

d)

NONE OF THE ABOVE

33.

What is Structural Formula?

a)

a two dimensional drawling or diagram that shows how the atoms in a molecule are connected

b)

a three dimensional drawling or diagram that shows how the atoms in a molecule are NOT connected

c)

a four dimensional drawling or diagram that shows how the atoms in a molecule are connected

34.

What is a Example of Isomers

a)
b)
c)
35.

a isomer is a compound with some molecular formula but different structural formulas they differ in molecular and in chemistry/physics properties

a)

TRUE

b)

FALSE

36.

In HONC 1234, H forms how many bonds?

(a)  

37.

In HONC 1234, O forms how many bonds?

(a)  

38.

In HONC 1234, N forms how many bonds?

(a)  

39.

In HONC 1234, C forms how many bonds?

(a)  

40.

What is the molecular formula of the structural formula shown here?

a)

C3H8C_3H_8  

b)

C4H8C_4H_8  

c)

C3H7C_3H_7  

d)

C8H3C_8H_3  

41.

What is the molecular formula of the structural formula shown here?

a)

H2OH_2O  

b)

C4H8C_4H_8  

c)

H7O2H_7O_2  

d)

O2HO_2H_{ }  

42.

What is the molecular formula of the structural formula shown here?

a)

C3H8OC_3H_8O  

b)

C3H10OC_3H_{10}O

c)

C8H3OC_8H_3O

d)

C6H4OC_6H_4O

43.

What is the molecular formula of the structural formula shown here?

(a)  

44.

What is the molecular formula of the structural formula shown here?

(a)  

45.

What is the molecular formula of the structural formula shown here?

(a)  

46.

what are the 2 parts of a chemical reaction?

(a)  

47.

substance that speeds up the rate of a chemical reaction

(a)  

48.

In a chemical reaction, what is true about a catalyst?

a)

it does not get used up

b)

it gets used up

c)

it doubles its amount

d)

it creates heat

49.

What is true about a chemical reaction?

a)

old bonds break

b)

new bonds form

c)

old bonds form

d)

new bonds break

50.

What is true about a chemical reaction?

a)

new substances are formed

b)

old substances are changed

c)

atoms get rearranged

d)

atoms dissapear

e)

matter is conserved

51.

What does it mean for matter to be "conserved" in a chemical reaction?

a)

at the end of a chemical reaction, atoms are all accounted for in a chemical equation

b)

at the end of a chemical reaction, you will have more atoms than you start with

c)

at the end of a chemical reaction, you will have less atoms than you start with

d)

there are the same amount of atoms on both sides of the arrow

e)

there are different amounts of atoms on both sides of the arrow

52.

_ cannot be created or destroyed

(a)  

53.

_ is conserved.

(a)  

54.

What is the smell of a substance with the ending "-ane" ?

a)

sweet

b)

medicinal

c)

fishy

d)

putrid

e)

no smell

55.

What is the smell of a substance with the ending "-ic acid" ?

a)

sweet

b)

medicinal

c)

fishy

d)

putrid

e)

no smell

56.

What is the smell of a substance with the endings "-yl -ate" ?

a)

sweet

b)

medicinal

c)

fishy

d)

putrid

e)

no smell

57.

What is the smell of a substance with the endings "-one" ?

a)

sweet

b)

medicinal

c)

fishy

d)

putrid

e)

no smell

58.

What is the smell of a substance with the endings "-ol" ?

a)

sweet

b)

medicinal

c)

fishy

d)

putrid

e)

no smell

59.

What is the smell of a substance with the endings "-amine" ?

a)

sweet

b)

medicinal

c)

fishy

d)

putrid

e)

no smell

60.

Mark the characteristics of a CARBOXYLIC ACID type compound.

a)

functional group = CHO2 & putrid smell

b)

functional group = C2O2 & sweet smell

c)

functional group = C3O & sweet smell

d)

functional group = OH & medicinal smell

e)

functional group = CN & fishy smell

61.

Mark the characteristics of a ESTER type compound.

a)

functional group = CHO2 & putrid smell

b)

functional group = C2O2 & sweet smell

c)

functional group = C3O & sweet smell

d)

functional group = OH & medicinal smell

e)

functional group = CN & fishy smell

62.

Mark the characteristics of a KETONE type compound.

a)

functional group = CHO2 & putrid smell

b)

functional group = C2O2 & sweet smell

c)

functional group = C3O & sweet smell

d)

functional group = OH & medicinal smell

e)

functional group = CN & fishy smell

63.

Mark the characteristics of a ALCOHOL type compound.

a)

functional group = CHO2 & putrid smell

b)

functional group = C2O2 & sweet smell

c)

functional group = C3O & sweet smell

d)

functional group = OH & medicinal smell

e)

functional group = CN & fishy smell

64.

Mark the characteristics of a AMINE type compound.

a)

functional group = CHO2 & putrid smell

b)

functional group = C2O2 & sweet smell

c)

functional group = C3O & sweet smell

d)

functional group = OH & medicinal smell

e)

functional group = CN & fishy smell

65.

What is a cluster of atoms in a molecule that is responsible for many of its properties?

(a)  

66.

According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.

a)

2

b)

4

c)

6

d)

8

e)

10

67.

Which of the following elements LOSES 1 electron in order to attain an octet?

a)

potassium

b)

calcium

c)

helium

d)

boron

e)

fluorine

68.

Which of the following elements GAINS 1 electron in order to attain an octet?

a)

sodium

b)

calcium

c)

helium

d)

boron

e)

chlorine

69.

Which 2 atoms are EXCEPTIONS to the Octet Rule and only need 2 valence electrons?

a)

H, Na

b)

H, He

c)

He, Ne

d)

There are no exceptions to the Octet Rule

70.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
71.
How many electrons are shared in a triple bond?
a)
6
b)
3
c)
6 pairs
d)
5
72.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
73.
How many bonds does carbon have to create in order to satisfy the octet rule
a)
1
b)
2
c)
3
d)
4
74.

In a lewis dot symbol or structure, what do the dots represent?

(a)  

75.

In a lewis dot structure, what do the lines represent?

(a)  

76.

Which is correct?

a)

HONC 1234

b)

CNOH 4321

c)

H1O2N3C4

d)

hydrogen forms 1 bond, oxygen 2 bonds, nitrogen 3 bonds, carbon 4 bonds

77.

What are the correct steps of drawing structural formulas?

a)

start with C backbone, add O & N, add H last, check to confirm the HONC 1234 rule

b)

start with N backbone, add C & O, add H last, check to confirm the HONC 1234 rule

c)

check to confirm the HONC 1234 rule, start with H backbone, add & N, add C last

78.

Valence electrons that take part in bonding are called...

(a)  

79.

Valence electrons that DO NOT take part in bonding are called...

(a)  

80.

How do chemists track the changes that occur in a chemical reaction?

a)

chemicals formulas & equations

b)

HONC 1234

c)

the pythagorean theorem

d)

the octet rule

81.

In a chemical reaction, which comes first? (on the left side of the arrow)

a)

reactants

b)

products

c)

catalysts

d)

geminis

82.

In a chemical reaction, which comes last? (on the right side of the arrow)

a)

reactants

b)

products

c)

catalysts

d)

theologies

83.

In a chemical reaction, which is shown on the top side of the arrow?

a)

reactants

b)

products

c)

catalysts

d)

theologies

84.

a substance that forms in a chemical reaction

(a)  

85.

A chemical substance that is present at the start of a chemical reaction

(a)  

86.

A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products

(a)  

87.

a reaction in which two or more substances combine to form a new compound

(a)  

88.

the process by which one or more substances change to produce one or more different substances

(a)  

89.

What does the number 3 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

90.

What does the number 4 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

91.

How many Nitrogen (N) atoms are in 4NH3?

a)

4

b)

1

c)

3

d)

12

92.

How many Hydrogen (H) atoms are in 4NH3?

a)

4

b)

1

c)

3

d)

12

93.

How many total molecules is 4NH3?

a)

4

b)

1

c)

3

d)

12

94.

How many total atoms make up 4NH3?

a)

4

b)

16

c)

3

d)

12

95.

In the equation shown, what are the reactant(s)?

a)

N2 + H2

b)

NH3

96.

In the equation shown, what are the product(s)?

a)

N2 + H2

b)

NH3

97.

Is this equation balanced?

a)

Yes

b)

No

98.

Is this equation balanced?

a)

Yes

b)

No

99.

Is this equation balanced?

a)

Yes

b)

No

100.

To balance an equation you should:

a)

ONLY change subscripts.

b)

ONLY change coefficients.

c)

Change BOTH subscripts and coefficients.

101.

Which reactant is missing from the equation shown?

(What should go in the place of the "X"?)

a)

One hydrogen atom.

b)

Three hydrogen atoms.

c)

Four oxygen atoms.

102.

Which of the following is a chemical reaction?

a)

Sodium and chlorine atoms bond to form salt molecules.

b)

Ice melts to form water.

c)

Carbon dioxide freezes to form dry ice.

d)

Salt and water mix to form salt water.

103.

What is a chemical equation?

a)

Describes the number of elements in a compound.

b)

One or two letters that represent the elements on the periodic table.

c)

The number to the lower right of an element that shows the number of atoms bonded.

d)

A written description of a chemical reaction.

104.

What does the Law of Conservation of Matter state?

a)

Matter cannot be created or destroyed in a chemical reaction, it just changes into something new/changes form.

b)

Matter can only be lost in a chemical reaction.

c)

Matter can only be gained in a chemical reaction.

d)

Matter can be gained and lost in a chemical reaction.

105.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
106.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
107.

How many elements are in C6H12O6?

a)

1

b)

6

c)

3

d)

24

108.

How many atoms are in C6H12O6?

a)

1

b)

6

c)

3

d)

24

109.

How many total atoms are in this compound? Al2O3

a)

2

b)

5

c)

6

d)

3

110.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
111.

Identify the Products in this equation.

a)

A

b)

B

112.

How does a catalyst work in speeding up a reaction?

a)

By giving them more energy

b)

By lowering the activation energy or reaction

c)

By making them more available

113.

A substance that increases the rate of a reaction without being used up during the reaction is called a

a)

reactant

b)

product

c)

catalyst

d)

solute

114.

When a catalyst is added to a reaction the rate of reaction,,,

a)

Increases

b)

Decreases

c)

Does not change

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