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Chemistry Final

Total questions: 159

Worksheet time: 40hrs 31mins

Name
Class
Date
1.

Tell whether the formula indicates a compound or an element.

MgBr2

a)

compound

b)

element

2.

What is one of the states of matter (Not liquid or solid)

a)

Fumes

b)

Gas

c)

Vapor

d)

Melted

3.

Is the shape of a liquid definite?

a)

No

b)

Yes

4.

Does the statement describe an element, compound, or mixture?

Substances that can be broken down by physical means.

a)

Element

b)

Compound

c)

Mixture

5.

Is the volume of a solid definite?

a)

No

b)

Yes

6.

Is Reactivity with acids a physical or chemical property?

a)

physical

b)

chemical

7.

Is Conductivity a physical or chemical property?

a)

physical

b)

chemical

8.

Define Matter

a)

anything that cannot be weighed or measured

b)

anything that can be created or destroyed

c)

anything with mass that takes up space

d)

all foreign substances found in procedure

9.

Is the shape of a solid definite?

a)

No

b)

Yes

10.

Is Density an Intrinsic or extrinsic property?

a)

Intrinsic

b)

Extrinsic

11.

Does the statement describe an element, compound, or mixture?

The elements that make it up are combined in a specific ratio.

a)

Element

b)

Compound

c)

Mixture

12.

Is the volume of a liquid definite?

a)

No

b)

Yes

13.

What is one of the states of matter (Not liquid or gas)

a)

Solid

b)

Fumes

c)

Vapor

d)

Compounded

14.

Name one way to separate a mixture (one word, lowercase)

(Not all correct answers shown)

(a)  

15.

Is Malleability a physical or chemical property?

a)

physical

b)

chemical

16.

Does the statement describe an element, compound, or mixture?

Cannot be broken down into similar substances by chemical or physical means.

a)

Element

b)

Compound

c)

Mixture

17.

Name one way to separate a mixture (one word, lowercase)

(Not all correct answers shown)

(a)  

18.

Is Reactivity with acids an Intrinsic or extrinsic property?

a)

Intrinsic

b)

Extrinsic

19.

Is the shape of a gas definite?

a)

No

b)

Yes

20.

Tell whether the formula indicates a compound or an element.

He

a)

compound

b)

element

21.

What is one of the states of matter (Not solid or gas)

a)

Compounded

b)

Water

c)

Melted

d)

Liquid

22.

Tell whether the formula indicates a compound or an element.

Cl2

a)

compound

b)

element

23.

Is Flammability a physical or chemical property?

a)

physical

b)

chemical

24.

Is Malleability an Intrinsic or extrinsic property?

a)

Intrinsic

b)

Extrinsic

25.

Is the volume of a gas definite?

a)

No

b)

Yes

26.

Powerade contains 15g of sugar per 250g serving. What is the % sugar concentration in Powerade?

(a)  

27.

Is Conductivity an Intrinsic or extrinsic property?

a)

Intrinsic

b)

Extrinsic

28.

Is burning paper a chemical or physical change

a)

chemical

b)

physical

29.

Is Density a physical or chemical property?

a)

physical

b)

chemical

30.

Is rusting of iron a chemical or physical change

a)

chemical

b)

physical

31.

Is Volume a physical or chemical property?

a)

physical

b)

chemical

32.

Is boiling water a chemical or physical change

a)

chemical

b)

physical

33.

Is freezing carbon dioxide a chemical or physical change

a)

chemical

b)

physical

34.

Tell whether the formula indicates a compound or an element.

NaOH

a)

compound

b)

element

35.

Is Volume an Intrinsic or extrinsic property?

a)

Intrinsic

b)

Extrinsic

36.

Is dissolving salt in water a chemical or physical change

a)

chemical

b)

physical

37.

What is the symbol of the element Mercury?

(a)  

38.

What is the symbol of the element Potassium?

(a)  

39.

What is the symbol of the element Copper?

(a)  

40.

Does the statement describe an element, compound, or mixture?

Substances that vary in composition.

a)

Element

b)

Compound

c)

Mixture

41.

Is Flammability an Intrinsic or extrinsic property?

a)

Intrinsic

b)

Extrinsic

42.

What is the symbol of the element Iron?

(a)  

43.

Is cutting paper a chemical or physical change

a)

chemical

b)

physical

44.

What is the symbol of the element Aluminum?

(a)  

45.

What is the symbol of the element Iron?

(a)  

46.

What is the element's name? (Uppercase)

F

(a)  

47.

What is the element's name? (Uppercase)

C

(a)  

48.

What is the element's name? (Uppercase)

Ag

(a)  

49.

What observations could indicate that a chemical change has taken place?

a)

Formation of gas

b)

Color change

c)

Temperature change

d)

Solid formation

e)

Size change

50.

What is the element's name? (Uppercase)

Ni

(a)  

51.

Law or Theory

Tells you why something happens (not what)

a)

Law

b)

Theory

52.

What is the element's name? (Uppercase)

N

(a)  

53.

Is mixing a milkshake a chemical or physical change

a)

chemical

b)

physical

54.

Law or Theory

Tells you what exactly happens (not why)

a)

Law

b)

Theory

55.

Percent error is low

a)

Accurate

b)

Precise

56.

All samples are within 0.5g/cm from each other

a)

Accurate

b)

Precise

57.

Express in Scientific Notation: 78,000

a)

7.8x10^3

b)

0.78x10^4

c)

78x10^3

d)

7.8x10^4

58.

Express in Scientific Notation: 0.00053

a)

53x10^3

b)

0.53x10^4

c)

5.3x10^-4

d)

5.3x10^-3

59.

Express in Scientific Notation: 0.875

a)

8.75x10^1

b)

.875x10^-1

c)

8.75x10^-1

d)

8.75x10^1

60.

Express in Scientific Notation: 2,687

a)

2.687x10^3

b)

26.87x10^2

c)

2.687x10^2

d)

2.687x10^-3

61.

Use Calculator. Use correct # of significant figures

(6.02x10^23)(8.65x10^4)

(a)  

62.

Use Calculator. Use correct # of significant figures

(6.02x10^23)(9.63x10^-2)

(a)  

63.

Use calculator. Use correct # of significant figures.

(5.4x10^4)(2.2x10^7)

(a)  

4.5x10^5

64.

Use calculator. Use correct # of significant figures.

(6.02x10^23)(-1.42x10^-15)

(a)  

6.54x10^-6

65.

Give the number of significant figures for each of the following measurements:

0.54300

a)

3

b)

4

c)

2

d)

5

66.

Give the number of significant figures for each of the following measurements:

6.300

a)

3

b)

4

c)

2

d)

5

67.

Give the number of significant figures for each of the following measurements:

940

a)

3

b)

4

c)

2

d)

5

68.

Give the number of significant figures for each of the following measurements:

24000.

a)

3

b)

4

c)

2

d)

5

69.

Give the number of significant figures for each of the following measurements:

356

a)

3

b)

4

c)

2

d)

5

70.

Give the number of significant figures for each of the following measurements:

1.45x10^-8

a)

3

b)

4

c)

2

d)

5

71.

Give the number of significant figures for each of the following measurements:

5001

a)

3

b)

4

c)

2

d)

5

72.

(no commas) Round the following to three significant figures:

34,635

(a)  

73.

(no commas) Round the following to three significant figures:

0.05304

(a)  

74.

(no commas) Round the following to three significant figures:

8,096,340

(a)  

75.

(no commas) Round the following to three significant figures:

4.626

(a)  

76.

Perform the following calculations using correct significant figure rules

6.459

(a)  

3.2

77.

Perform the following calculations using correct significant figure rules

(7+6.43)

(a)  

1028

78.

Perform the following calculations using correct significant figure rules

654.32+0.5

(a)  

79.

Perform the following calculations using correct significant figure rules

847-30

(a)  

80.

Perform the following calculations using correct significant figure rules

(24)(3058)

(a)  

81.

Determine the number of mm in 14.5cm

(a)  

82.

Convert 0.5g of sodium (Na) to kg of Na

(a)  

83.

The density of lead (Pb) is 11.5 g/cm^3. Find the density of Pb in kg/dm^3.

Helpful conversion factor: 1cm = 0.1 dm

(a)  

84.

What particle has a charge of +1

(a)  

85.

What particle is found in the nucleus (not proton)

(a)  

86.

What particle has a mass of 0 amu?

(a)  

87.

What is the charge of a neutron?

(a)  

88.

What is the charge of an electron?

(a)  

89.

Are protons inside or outside the nucleus?

a)

Inside

b)

Outside

90.

Are electrons inside or outside the nucleus?

a)

Inside

b)

Outside

91.

What is the mass (amu) of a proton?

(a)  

92.

What is the mass (amu) of a neutron?

(a)  

93.

What is atomic number, # protons, # neutrons?

Isotope: Carbon-12

Mass #: 12

(a)  

94.

What is atomic number, # protons, # neutrons?

Isotope: Nitrogen-14

Mass #: 14

(a)  

95.

What is isotope, # protons, mass number?

Atomic Number: 8

# neutrons: 8

(a)  

96.

What is isotope, atomic number, mass number?

# neutrons: 1

# protons: 1

(a)  

97.

What is isotope, atomic number, mass number?

# neutrons: 146

# protons: 92

(a)  

98.

What is isotope, # protons, mass number?

# neutrons: 12

atomic number: 11

(a)  

99.

What is Isotope ?, atomic number, # protons, mass number?

Isotope: Cesium-?

# neutrons: 82

(a)  

100.

What is the number protons for Na+

(a)  

101.

What is the number electrons for Na+

(a)  

102.

What Ion has 13 protons and 10 electrons?

(a)  

103.

How many protons does S-2 have

(a)  

104.

What Ion has 35 protons and 36 electrons?

(a)  

105.

When an electron is in the lowest possible energy state, it is in the__?

a)

excited state

b)

anion

c)

ground state

d)

isotope

106.

If the right amount of energy is absorbed by an electron,

it can jump to a higher energy level called the__?

a)

excited state

b)

ground state

c)

cation

d)

ion

107.

The number of ___ in an atom is the same as the atomic number

a)

elements

b)

electrons

c)

photons

d)

protons

108.

The ___ is what distinguishes one isotope from another

a)

mass number

b)

cation

c)

anion

d)

ion

109.

The ___ is the fundamental building block of an element

a)

cation

b)

atom

c)

anion

d)

isotope

110.

A ___ is a positively charged ion

a)

anion

b)

cation

c)

element

d)

electron

111.

A ___ is a negatively charged ion

a)

anion

b)

cation

c)

element

d)

electron

112.

A(n) ___ is when atoms of the same element have different masses

a)

ion

b)

photon

c)

anion

d)

isotope

113.

Which atomic model was accurate in declaring:

all matter is made of atoms

a)

Dalton's atomic theory

b)

Plum pudding model

c)

Rutherford model

d)

Bohr model

114.

Which atomic model was accurate in declaring:

all atoms contain a nucleus

a)

Dalton's atomic theory

b)

Plum pudding model

c)

Rutherford model

d)

Bohr model

115.

Which atomic model was accurate in declaring:

electrons have quantized energy

a)

Dalton's atomic theory

b)

Plum pudding model

c)

Rutherford model

d)

Bohr model

116.

Which atomic model was accurate in declaring:

all atoms contain charges

a)

Dalton's atomic theory

b)

Plum pudding model

c)

Rutherford model

d)

Bohr model

117.

Which atomic model was inaccurate because:

atoms aren't indivisible

a)

Dalton's atomic theory

b)

Plum pudding model

c)

Rutherford model

d)

Bohr model

118.

Which atomic model was inaccurate because:

we don't actually know where exactly electrons are

a)

Dalton's atomic theory

b)

Plum pudding model

c)

Rutherford model

d)

Bohr model

119.

Which atomic model was inaccurate because:

electrons all have the same energy

a)

Dalton's atomic theory

b)

Plum pudding model

c)

Rutherford model

d)

Bohr model

120.

Which atomic model was inaccurate because:

they were incorrect about where the charges are in an atom

a)

Dalton's atomic theory

b)

Plum pudding model

c)

Rutherford model

d)

Bohr model

121.

Identify the element found in the 2nd group and 5th period of the periodic table

a)

P

b)

N

c)

Sr

d)

Nb

122.

What is the name for the elements found in Group 1?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Halogens

d)

Noble Gases

123.

Which element is characterized as a non-metal?

a)

Silicon

b)

Aluminum

c)

Carbon

d)

Sodium

124.

Which comparison of atomic radius is incorrect?

a)

F > Ne

b)

K > Ca

c)

C > B

d)

Cl > F

125.

How does atomic radius change from left to right across the periodic table?

a)

It tends to decrease

b)

it tends to increase

c)

it first increases, then decreases

d)

it first decreases, then increases

126.

Which of the following statements is NOT true about ions?

a)

Cations are positively charged ions

b)

Anions are common among non-metals

c)

Charges for ions are written as a number followed by a plus or minus sign

d)

When a cation forms, more electrons are transferred to it

127.

Which of the following elements is the least electronegative?

a)

Cesium

b)

Helium

c)

Calcium

d)

Fluorine

128.

How did Mendeleev organize the periodic table?

a)

By mass number

b)

by atomic mass

c)

by atomic number

d)

alphabetically

129.

How many valence electrons are in an atom of magnesium?

a)

2

b)

3

c)

4

d)

5

130.

What is the charge on a strontium (Sr) ion?

a)

2-

b)

1-

c)

1+

d)

2+

131.

Which element listed below has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d8

a)

Ar

b)

Cu

c)

Pd

d)

Ni

132.

How many subshells are in the second energy level (shell)?

a)

1

b)

2

c)

3

d)

4

133.

Which of the following changed in principal energy levels would be associated with the greatest energy of emitted light?

a)

n=5 to n=1

b)

n=4 to n=5

c)

n=1 to n=6

d)

n=5 to n=4

134.

Write the full electron configuration:

Be

(a)  

135.

Write the condensed electron configuration:

Ta (#73)

(a)  

136.

Write the condensed electron configuration:

Nh (#113)

(a)  

137.

Write the condensed electron configuration:

Zn (#30)

(a)  

138.

What is the name of the element:

H

(a)  

139.

What is the name of the element:

Br

(a)  

140.

What is the name of the element:

K

(a)  

141.

What is the name of the element:

Ca

(a)  

142.

What is the name of the element:

Al

(a)  

143.

What is the name of the element:

N

(a)  

144.

What is the name of the element:

P

(a)  

145.

What is the name of the element:

Ni

(a)  

146.

What is the name of the element:

F

(a)  

147.

What is the name of the element:

Hg

(a)  

148.

What is the symbol for Lithium?

(a)  

149.

What is the symbol for Sodium?

(a)  

150.

What is the symbol for Magnesium?

(a)  

151.

What is the symbol for Carbon?

(a)  

152.

What is the symbol for Oxygen?

(a)  

153.

What is the symbol for sulfur?

(a)  

154.

What is the symbol for Chlorine?

(a)  

155.

What is the symbol for iron?

(a)  

156.

What is the symbol for copper?

(a)  

157.

What is the symbol for silver?

(a)  

158.

What is the symbol for zinc?

(a)  

159.

What letters make up the equipment questions?

(a)  

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