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honors chemistry midterm review

Total questions: 142

Worksheet time: 2hrs 47mins

Name
Class
Date
1.
the building blocks of matter. They are the smallest particles of an element that still have the element's properties
a)
Atoms
b)
Gluon
c)
Scientific notation
d)
Atomic weights
2.

The number of protons in the nucleus of an atom?

a)

Isotope

b)

Atomic mass

c)

Atomic number

d)

Element

3.

Atoms of the same element that have a different number of neutrons are called

a)

ions

b)

isotope

c)

isomer

d)

radioactive

4.

Atoms that gain or lose electrons become

a)

ions

b)

isotopes

c)

isopmers

d)

radioactive

5.

a change in a substance that does not involve a change in the identity of the substance

a)

Physical change

b)

Chemical Change

6.

a change in which one or more substances are converted into different substances

a)

physica change

b)

chemical change

7.

How would 0.00930 m be expressed in scientific notation?

a)

93 x 10⁴ m

b)

9.3 × 10⁴ m

c)

9.30 × 10⁻⁵ m

d)

9.30 × 10⁻³ m

8.

What is the formula for zinc fluoride?

a)

Zn₂F3

b)

ZnF₂

c)

Zn₂F

d)

ZnF

9.

An atom that has 8 protons and 10 neutrons is an isotope of the element

a)

nitrogen

b)

oxygen

c)

fluorine

d)

neon

10.

An atom that has 8 protons and 10 neutrons is an isotope of the element

a)

nitrogen

b)

oxygen

c)

fluorine

d)

neon

11.

What is the overall charge of an ion that has 9 protons, 11 neutrons, and 10 electrons?

a)

+1

b)

-1

c)

+2

d)

-2

12.

0.25 g is equivalent to

a)

0.025 mg

b)

250 kg

c)

0.025 kg

d)

250 mg

13.

What is the formula for zinc fluoride?

a)

Zn₂F3

b)

ZnF₂

c)

Zn₂F

d)

ZnF

14.

Name the compound N₂O3.

a)

nitric oxide

b)

dinitrogen oxide

c)

nitrogen trioxide

d)

dinitrogen trioxide

15.

All atoms of the same element have the same

a)

number of neutrons

b)

mass number

c)

number of protons

d)

number of electrons

16.

The number of significant figures in the measurement 0.000 305 kg is

a)

6

b)

2

c)

1

d)

3

17.

The number of significant figures in the measurement 0.000 305 kg is

a)

6

b)

2

c)

1

d)

3

18.

What is the formula for barium hydroxide?

a)

Ba(OH)2

b)

BaOH

c)

Ba(OH)

d)

BaOH₂

19.

How is the measurement 0.000 065 cm written in scientific notation?

a)

6.5 x 10⁶ cm

b)

65 x 10 cm

c)

6.5 x 10⁻⁵ cm

d)

6.5 x 10⁴ cm

20.

A positive ion is known as a(n)

a)

anion

b)

valence electron

c)

cation

d)

ionic radius

21.

How many significant digits should be shown in the product of 1.6 cm and 2.4 cm?

a)

1

b)

3

c)

4

d)

2

22.

Name the compound Ni(ClO3)2.

a)

nickel(II) chloride

b)

nickel(II) chlorite

c)

nickel(II) peroxide

d)

nickel(II) chlorate

23.

What is the formula for aluminum sulfate?

a)

Al(SO4)3

b)

AlSO4

c)

Al2(SO4)3

d)

Al2SO4

24.

Which of these measurements has been expressed to three significant figures?

a)

500 g

b)

0.202 g

c)

0.052 g

d)

3.065 g

25.

Which subatomic particles are in the nucleus? Check all that apply.

a)

Electrons

b)

Neutrons

c)

Protons

d)

None of the above

26.

Is density a physical or chemical property?

a)

Physical

b)

Chemical

27.

Find the density of a sample of aluminum with a mass of 6 g and a volume of 2.22 cm3. Round your answer to the nearest tenth.

a)

3.8 g/cm3

b)

8.2 g/cm3

c)

13.3 g/cm3

d)

2.7 g/cm3

28.

Which of the following is true about density?

a)

It is a chemical property.

b)

It is found by taking volume minus mass.

c)

It doesn't change for all samples of the same substance.

d)

It is the same for all elements.

29.

Which of the following is a chemical change?

a)

Baking brownies

b)

Melting ice

c)

Folding paper

d)

Painting a wall

30.

Which of the following is a physical change?

a)

Baking cookies

b)

Rust forming on a bike

c)

Sharpening a pencil

d)

Hydrogen and oxygen creating water.

31.

Balance this equation: K + O₂ → K₂O

a)

4K + 8 O2 → 16 K2O

b)

4K + 1 O2 → 2K2O

c)

K2 + O2 → K2O2

d)

2K + O2 → K22O

32.

Balance this equation:

NaH + BF₃ → B₂H₆ + NaF

a)

6 NaH + 2 BF₃ → 1 B₂H₆ + 6 NaF

b)

3 NaH + 2 BF₃ → 2 B₂H₆ + 1 NaF

c)

1 NaH + 1 BF₃ → 1 B₂H₆ + 1 NaF

d)

2 NaH + 3 BF₃ → 1 B₂H₆ + 5 NaF

33.

What are 3 examples of metals:

a)

Lithium

Sodium

Calcium

b)

Nitrogen

Oxygen

Fluorine

c)

Helium

Neon

Argon

34.

What is the correct name for Cu(NO3)2?

a)

Copper (II) Nitrate

b)

Copper Nitrate

c)

Copper (III) Nitrate

35.

All acids start with what element?

a)

"C"

b)

"He"

c)

"H"

36.

Which elements are examples of Alkali Earth Metals?

a)

Lithium, Sodium

b)

Beryllium, Magnesium

c)

Boron Aluminum

37.

What is the formula for diarsenic pentaoxide?

a)

As2O5

b)

AsO5

c)

As2O

38.

What is the formula for Hydrofluoric Acid?

a)

HClF

b)

HF

c)

HCl

d)

H2F2

39.

What is the name of CuCl3?

a)

Copper (III) Chloride

b)

Copper (II) Chloride

c)

Copper Chloride

40.

Which of the following is the formula for the chromate ion?

a)

b)

c)

d)

41.

Which of the following is the formula for the nitrate ion?

a)

b)

c)

d)

42.

Which of the following is the formula for the cyanide ion?

a)

b)

c)

d)

43.

Which of the following is the formula for the carbonate ion?

a)

b)

c)

d)

44.

Which of the following is the formula for the hydroxide ion?

a)

b)

c)

d)

45.

Which of the following is the formula for the perchlorate ion?

a)

b)

c)

d)

46.

Which of the following is the formula for the sulfite ion?

a)

b)

c)

d)

47.

Which of the following is the formula for the phosphate ion?

a)

b)

c)

d)

48.

Which of the following is the formula for the nitrite ion?

a)

b)

c)

d)

49.

Which of the following is the formula for the chlorite ion?

a)

b)

c)

d)

50.

Which of the following is the formula for the hydrogen sulfate ion?

a)

b)

c)

d)

51.

Which of the following is the formula for the chlorate ion?

a)

b)

c)

d)

52.

Which of the following is the formula for the ammonium ion?

a)

b)

c)

d)

53.

aluminum carbonate

a)

Al2(CO3)3

b)

AlCO3

c)

Al(CO3)2

d)

Al4C3

54.

ammonium sulfide

a)

(NH4)2S

b)

NH4S

c)

(NH4)2SO4

d)

NH4(S)2

55.

sodium nitrate

a)

NaNO3

b)

Na(NO3)

c)

NaNO2

d)

Na(NO)2

56.

Mg(NO3)2

a)

magnesium nitrate

b)

magnesium nitrite

c)

magnesium nitride

d)

magnesium nitrogen oxide

57.

Ca(PO4)3

a)

calcium phosphate

b)

calcium phosphite

c)

calcium phosphide

d)

calcium (II) phosphorus oxide

58.

CN−CN^-  What is the Name of this Formula

a)

Dichromate

b)

Chromate

c)

Cyanide

d)

Hydroxide

59.

What is the Formula for Carbonate?

a)

CO32−CO_3^{2-}  

b)

HCO3−HCO_3^-  

c)

CIO3−CIO_3^-  

d)

CIO2−CIO_2^-  

60.

What is the formula for the polyatomic ion chlorate?

a)

CIO3−CIO_3^-


b)

CIO−3CIO_-^3

c)

CIO2−CIO_2^-

d)

CIO−CIO^-

61.
How many significant figures does the following number have?
0.00345
a)
6
b)
5
c)
3
d)
Ambiguous: 3,4,5, or 6
62.
How many significant figures does the following number have: 0.00204
a)
6
b)
4
c)
3
d)
2
63.

How many significant figures does the following number have?1.2500 x 10310^3  

a)
5
b)
3
c)

Ambiguous: 3 or 5

d)

7

64.
How many significant figures does the following number have: 100.00210
a)
7
b)
8
c)
10
d)
Ambiguous: 7 or 8
65.
Round 1289 to three significant figures
a)
1290
b)
130
c)
1300
d)
1.29x103
66.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
1x102
67.
Solve and give your answer with the correct number of significant figures
(12.470)(271)
a)
3366.9
b)
3.37x103
c)
3400
d)
3370
68.
Solve and give your answer with the correct number of significant figures
129.6/3
a)
43.0
b)
43
c)
 4x101
d)
40
69.
Solve and give your answer with the correct number of significant figures
24.28 + 12.5
a)
3.687 x 101
b)
36.8
c)
37
d)
3.70x101
70.
Solve and give your answer with the correct number of significant figures
1421-34
a)
1.39x103
b)
1387
c)
1390
d)

1400

71.
Calculate 0.020 cm x 50 cm x 11.1 cm and give your answer with the correct number of significant figures.
a)
10 cm3
b)
11.1 cm3
c)
11 cm3
d)
11. cm3
72.
Calculate 12.47 m ÷ 3.2 s and give your answer with the correct number of significant figures.
a)
4 m/s
b)
3.9 m/s
c)
3.90 m/s
d)
3.897 m/s
73.
Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
74.
How many sig figs are there?
4000.
a)
1
b)
3
c)
4
75.
How many sig figs are there?
5.00000008
a)
2
b)
6
c)
9
76.
How many sig figs are there?
0.00400
a)
1
b)
3
c)
5
d)
6
77.
How many sig figs are there?
9009.00
a)
2
b)
4
c)
5
d)
6
78.

How many significant figures: 450 m

a)

3

b)

2

c)

1

d)

0

79.
__Na + __Cl2 --> __NaCl
a)
1,1,2
b)
2,1,2
c)
2,1,1
d)
already balanced
80.
__NaClO3 --> __NaCl + __O2
a)
2,2,2
b)
2,2,3
c)
3,2,2
d)
1,2,3
81.
__H2O2 --> __H2O + __O2
a)
already balanced
b)
2,1,1
c)
2,2,1
d)
2,1,2
82.
__Na + __Cl2 --> __NaCl
a)
1,1,2
b)
2,1,2
c)
2,1,1
d)
already balanced
83.
__H2O2 --> __H2O + __O2
a)
already balanced
b)
2,1,1
c)
2,2,1
d)
2,1,2
84.
__NaClO3 --> __NaCl + __O2
a)
2,2,2
b)
2,2,3
c)
3,2,2
d)
1,2,3
85.
__BF3 + __Li2SO3 --> __B2(SO3)3 + __LiF
a)
2,3,1,3
b)
2,3,1,6
c)
4,4,2,12
d)
3,3,1,9
86.
__C6H12O6 + __O2 --> __H2O + __CO2
a)
1,6,6,6
b)
already balanced
c)
1,6,1,6
d)
2,12,12,12
87.
_AgNO3 + _Cu →_Cu(NO3)2 + _Ag
a)
2 AgNO3 + 2 Cu → 3 Cu(NO3)2 + 1 Ag
b)
2 AgNO3 + 1 Cu → 1 Cu(NO3)2 + 2 Ag
c)
1 AgNO3 + 2 Cu → 2 Cu(NO3)2 + 1 Ag
d)
3 AgNO3 + 2 Cu → 3 Cu(NO3)2 + 2 Ag
88.
Balance this equation:
MgCl2 --> Mg4+ Cl2
a)
It's already balanced.
b)
4MgCl2 --> Mg4+ 4Cl2
c)
4MgCl2 --> Mg4+ 5Cl2
89.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__FeCl3 + __Ca(OH)2 --> __Fe(OH)3 + __CaCl2
a)
4,3--> 2,1
b)
3,2 --> 3,1
c)
2,3 --> 2,2
d)
2,3 --> 2,3
90.
Fill in the blanks with coefficient:
PCl5+_ H2O→_ HCl+H3PO4
a)
4, 5
b)
1, 6
c)
3, 8
d)
2,2
91.
Balance the equation:
Si(OH)4+NaBr--> SiBr4+NaOH
a)
Si(OH)4+2NaBr--> SiBr4+NaOH
b)
Si(OH)4+4NaBr--> SiBr4+4NaOH
c)
Si(OH)4+NaBr--> SiBr4+4NaOH
d)
Si(OH)4+2NaBr--> SiBr4+2NaOH
92.
Balance this equation:
 2Li + Cl2 -> LiCl
a)
2Li + Cl2 -> 4LiCl2
b)
2Li + Cl2 -> LiCl2
c)
2Li + Cl2 -> 2LiCl
93.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__Na + __H2O --> __NaOH + __H2
a)
2,2 --> 2,1
b)
4,4 --> 4,1
c)
1,2 --> 2,4
d)
1,2 --> 2,1
94.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
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. 
95.
__(NH4)3PO4 + __Pb(NO3)4 --> __Pb3(PO4)4 + __NH4NO3
a)
2,1,1,6
b)
1,2,2,3
c)
4,3,1,12
d)
4,2,1,12
96.

For the following chemical reaction, which substance is a reactant?

2HBr + Mg(OH)2 → MgBr2 +2H2O2HBr\ +\ Mg\left(OH\right)_2\ →\ MgBr_2\ +2H_2O  

a)

MgBr2MgBr_2  

b)

BrBr  

c)

Mg

d)

HBr

97.

Is the following reaction balanced?

Ca+CuF2→CaF2+CuCa+CuF_2\rightarrow CaF_2+Cu  

a)

Yes

b)

No

98.

How many Oxygen atoms do I have in the following compound?

2(NH4)3PO42\left(NH_4\right)_3PO_4  

a)

4

b)

6

c)

8

d)

24

99.

How many Hydrogen atoms do I have in the following compound?

2(NH4)3PO42\left(NH_4\right)_3PO_4  

a)

4

b)

12

c)

9

d)

24

100.

What number will balance the following chemical reaction?

S8+8O2→S_8+8O_2\rightarrow  _ SO2SO_2  

a)

1

b)

4

c)

8

d)

16

101.

How many Carbon atoms are there in the following compound?

C4OH10C_4OH_{10}  

a)

1

b)

4

c)

10

d)

14

102.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
103.

Which subatomic particle determines the identity of an element?

a)

protons

b)

neutrons

c)

electrons

104.
The mass number of an isotope is equal to the number of ______ in an atom.
a)
Protons
b)
Neutrons
c)
Protons + Neutrons
d)
 Electrons
105.

Carbon-14 has ____ protons, ____ electrons, and _____ neutrons.

a)

6, 6, 8

b)

6, 6, 6

c)

6, 6, 14

d)

6, 10, 14

106.

An atom of phosphorus has an atomic number of 15 and a mass number of 31. How many neutrons does it contain?

a)

15

b)

16

c)

31

d)

46

107.
What is the volume of a 250g piece of stainless steal with a density 3.0g/cm3
a)
83.3 cm3
b)
750 cm3
c)
3.01 cm3
108.
What is the density of a book that has a mass of 400g and a volume of 600cm3?
a)
1.5g/cm3
b)
2400g/cm3
c)
325mL
d)
.7g/cm3
109.
A diamond has a mass of 1.2 g.  If diamond has a density of 3.51 g/mL, what is the volume of the diamond.
a)
0.34 mL
b)
2.9 g/mL
c)
2.3 mL
d)
4.2 mL
110.
Find the density of a 2 cm x 2 cm x 2 cm cube with a mass of 64 g.
a)
6 cm3
b)
12 g/cm3
c)
128 g/cm3
d)
8  g/cm3
111.
Negative ions are called
a)
Cations
b)
Electrons
c)
Anions
d)
Neutrons
112.
What charge does an atom have if it LOSES an electron? 
a)
Positive (+)
b)
Negative (-)
113.
When an atom LOSES an electron it is a
a)
cation
b)
anion
114.

Convert: 253 °C to K:

a)

526 K

b)

625 K

c)

0 K

d)

186 K

115.

Convert: 0 K to °C

a)

-273 °C

b)

-273 K

c)

273 °C

d)

273 K

116.

If the temperature is 50°F, what is it in Celsius?

a)

10°C

b)

20°C

c)

30°C

d)

40°C

117.

What is the Fahrenheit equivalent of 100 Kelvin?

a)

-279.4°F

b)

-173.15°F

c)

-100°F

d)

-459.67°F

118.

If the temperature is 60°F, what is it in Celsius?

a)

15.56°C

b)

20°C

c)

10°C

d)

25°C

119.
How do the following two elements bond together?
K1+  S2- 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
120.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
121.
How do the following two elements bond together?
Pb4+  O2-       
a)
PbO
b)
Pb2O3
c)
PbO2
d)
Pb3O2
122.
How do the following two elements bond together?
Al3+  O2-       
a)
AlO
b)
Al2O
c)
Al3O2
d)
Al2O3
123.
Which is true of anions?
a)
They are usually metals.
b)
They have a positive charge.
c)
They have gained electrons.
d)
They will bond with anions.
124.

Select the ions are present in MgCO3?

a)

Mg+1

b)

Mg2+

c)

Mg3+

d)

O2-

e)

CO32-

125.

Write the ions that form Al(OH)3?

a)

Al+

b)

Al+3

c)

OH-

d)

OH3-

126.

Name for NaH

a)

sodium hydrogen

b)

potassium hydride

c)

sodium hydride

d)

potassium hydrogen

127.

Formula for barium sulfide

a)

B2S3

b)

BaS

c)

Ba2S

d)

BaS2

128.

Name for Hg2S

a)

mercury (IV) sulfide

b)

mercury (III) sulfide

c)

mercury (II) sulfide

d)

mercury (I) sulfide

129.

Formula for lead (II) chloride

a)

PbCl2

b)

Pb2Cl

c)

Pb2Cl3

d)

Pb3Cl2

130.

Name for PBr2

a)

phosphorus bromide

b)

phosphorus dibromide

c)

phosphorus dibromine

d)

phosphorus bromine

131.

Formula for Disilicon Heptasulfide

a)

SiS6

b)

SiS7

c)

Si2S6

d)

Si2S7

132.

Name for LiOH

a)

lithium hydrogen oxide

b)

lithium hydroxide

c)

lithium (II) hydroxide

d)

lithium (I) hydroxide

133.

Formula for iron (II) carbonate

a)

FeCO3

b)

Fe2CO3

c)

FeCO2

d)

Fe2CO2

134.

Name for SrBr2

a)

strontium bromine

b)

strontium bromide

c)

strontium dibromide

d)

strontium dibromine

135.

Formula for aluminum phosphate

a)

Al2P3

b)

Al3PO4

c)

AlP

d)

AlPO4

136.

The name for O2H8 is ____________.

a)

Dioxide Octahydrogen

b)

Dioxide Octahydride

c)

Dioxygen Octahydrate

d)

Dioxygen Octahydride

137.

Potassium chlorate has the formula

a)

KCl

b)

KClO

c)

KClO2

d)

KClO3

e)

KClO4

138.
Which of the following statements is NOT part of Dalton's Atomic Theory?
a)
All matter is made of atoms.
b)
Atoms cannot be created or destroyed.
c)
All atoms of an element are alike.
d)
Atoms can be broken down into smaller particles.
139.
According to the  modern theory of atmoic structure, most of an atom is made up of _________.
a)
protons
b)
neutrons
c)
electrons
d)
empty space
140.

What is the formula for nitric acid?

a)

HNO2

b)

HNO3

c)

HNO4

d)

H2NO3

141.

H3PO4

a)

hydrophsophorus acid

b)

phosphoric acid

c)

hydrogen phosphorous

d)

phosphori hydroxide

142.

Name this acid: H2SO4

a)

hydrogen sulfate

b)

hydrosulfuric acid

c)

sulfuric acid

d)

sulfurous acid

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