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Chemistry Final Part 2

Total questions: 80

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
An electron that is emitted during radioactive decay is a
a)
neutron
b)
gamma ray
c)
alpha particle
d)
beta particle
2.

Positively charged particles emitted during radioactive decay that consist of two protons and two neutrons are called

a)

alpha particles

b)

beta particles

c)

gamma rays

d)

neutron emissions

3.
The least penetrating type of radiation
a)
Alpha particle
b)
Beta particle
c)
gamma ray
4.
The type of radioactive particle will penetrate farthest into a material is a(n)__________.
a)
alpha
b)
beta
c)
gamma
d)
all of the above
5.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
None of these
6.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
7.
What element is represented in this Bohr Model? 
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
8.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
9.
What group does this element belong to?
a)
Group 1: Alkali metals
b)
Group 18: Noble Gases
c)
Group 2: Alkaline-Earth Metals
d)
Group 17: Halogens
10.
Carbon-12 has 6 protons and 6 neutrons. How many electrons will orbit the nucleus?
a)
12
b)
6
c)
3
d)
18
11.
What is the charge of a neutron?
a)
Positive
b)
Negative
c)
Neutral/no charge
12.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
13.
Identify the element in the picture
a)
Boron
b)
Carbon
c)
Nitrogen
d)
Lithium
14.

Name this formula:

KNO3

a)

Potassium Nitrogen Oxide

b)

Potassium Nitride

c)

Potassium Nitrate

d)

Potassium (I) Nitrite

15.
Name the following ionic compound: LiNO3
a)
lithium nitrate
b)
lithium III nitrate
c)
lithium nitride
d)
lithium oxide
16.

What is the name of the compound P2O5

a)

Pentaphosphorus dioxide

b)

Phoshphide dioxide

c)

Diphosphorus pentoxide

17.

Name Al2S3

a)

Aluminum sulfide

b)

Dialuminum trisulfide

c)

ammonium sulfide

d)

aluminum (II) sulfice

18.

Name the compound NH4OH

a)

ammonium hydroxide

b)

ammonia oxyhydride

c)

mononitrogen tetraoxihydride

d)

hydrogen nitrate

19.
What is the name for the NO3- ion?
a)
nitrate ion
b)
nitrite ion
c)
nitrogan ion
d)
nitride ion
20.
What is the formula for tin (II) chromate 
a)
Sn2(CrO4)4
b)
Sn(CrO4)2
c)
Sn4(CrO4)2
d)
SnCrO4
21.
Name the compound Mg3(PO4)2
a)
magnesium phosphate
b)
magnesium (III) phosphate
c)
magnesium phosphite
d)
magnesium phosphide
22.

The charge on a lithium ion in its ionic

compound is _____.

a)

+1

b)

+2

c)

+3

d)

-1

e)

Varies

23.

Which of the following is not the correct

combination of compound name and its formula?

a)

hydrobromic acid; HBr

b)

calcium sulfate; CaSO4

c)

beryllium oxide; BeO

d)

nickel(II) peroxide; Ni2O

e)

ammonium chromate; (NH4)2CrO4

24.

The name for Al(OH)3 is

a)

aluminum(III) hydroxide

b)

aluminum trihydroxide

c)

aluminum hydroxide

d)

monaluminum trihydroxide

e)

aluminum(I) hydroxide

25.

A chemical bond between a metal and a non-metal

a)

Ionic Bond

b)

James Bond

c)

Covalent Bond

d)

Polar Bond

26.

A chemical bond between two non-metals

a)

Ionic Bond

b)

James Bond

c)

Covalent Bond

d)

Polar Bond

27.

What type of bond is NaCl?

a)

Ionic Bond

b)

James Bond

c)

Covalent Bond

d)

Polar Bond

28.

What type of bond is  CH4CH_4   ?

a)

Ionic Bond

b)

James Bond

c)

Covalent Bond

d)

Polar Bond

29.
Which of the following gives the correct chemical formula for the compound Dinitrogen Monoxide?
a)
NO
b)
N2O
c)
N2O2
d)
O2N2
30.

WHAT IS THE FORMULA FOR DINITROGEN PENTASULFIDE?

a)

N2SO5

b)

N2(SO4)5

c)

N2S5

d)

N2S(O)5

31.

What is the formula for:

a)

KS2

b)

S2K

c)

SK2

d)

K2S

32.

What is the formula for:

a)

MnBr2

b)

Mn1Br2

c)

Mn2Br

d)

Br2Mn

33.

What is the formula for:

a)

FE2O3

b)

Fe2O3

c)

Fe3O2

d)

FEO5

34.

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

a)

neutron

b)

proton

c)

electron

d)

valence electron

35.

What is a subatomic particle without an electric charge, located in the nucleus of an atom?

a)

neutron

b)

proton

c)

electron

d)

valence electron

36.

What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.

a)

neutron

b)

proton

c)

electron

d)

electron cloud

37.
Which subatomic particles are found in the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons, Neutrons and Electrons
38.
What electrical charge does a proton have?
a)
+1
b)
0
c)
-1
d)
+2
39.
Which particle is negatively charged?
a)
proton
b)
atom
c)
neutron
d)
electron
40.
In order for an atom to be neutral what has to be true?
a)
The atom has more protons than neutrons
b)
The atom has more neutrons than protons
c)
The atom has the same number of protons and neutrons
d)
The atom has the same number of protons and electrons
41.
Where is most of the mass in an atom located?
a)
in the nucleus
b)
in the protons
c)
in the neutrons
d)
in the electrons
42.

Find Atomic Mass: What is the mass of one mole of Lithium (Li)?

a)

6.9 grams

b)

14.0 grams

c)

22.9 grams

d)

56.9 grams

43.

Find Molecular Mass: Calculate the mass of one mole of CO2 (carbon dioxide).

a)

18.0 grams

b)

44.0 grams

c)

14.0 grams

d)

180.0 grams

44.

AgF....

a)

is an element because it has 2 different types of atoms.

b)

is a compound because it has 2 different types of atoms.

c)

is a compound because it has 2 of the same types of atoms.

d)

is an element because it has 2 of the same types of atoms.

45.

How many atoms of NITROGEN are in S(NH4)2 ?

a)

0

b)

1

c)

2

d)

4

46.

Calculate the molecular mass of PbSO4.

a)

207 amu

b)

32 amu

c)

303 amu

d)

1,020 amu

47.

Calculate the molecular mass of Na3PO4.

a)

164 amu

b)

133 amu

c)

257 amu

d)

170 amu

48.

Calculate the molecular mass of Zn(C2H3O2)2.

a)

185 amu

b)

180 amu

c)

183 amu

d)

179 amu

49.

Rosie calculated the mass of Mg(OH)2. by adding 24 amu, 16 amu, and 1 amu together.


What would you tell Rosie?

a)

Rosie forgot about the coefficient.

b)

Rosie forgot an element.

c)

Rosie is correct!!

d)

Rosie ignored the subscript outside the parentheses.

50.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
51.

Each element is defined by the number of

a)

Atoms

b)

Isotopes

c)

Neutrons

d)

Protons

e)

Nuclei.

52.

Which of the following elements will form a cation?

a)

Arsenic

b)

Copper

c)

Bromine

d)

Fluorine

53.

Which of the following will form an anion?

a)

Titanium

b)

Iron

c)

Calcium

d)

Sulfur

54.

Which of the following will form a cation?

a)

Aluminum

b)

Sulfur

c)

Iodine

d)

Nitrogen

55.

Which of the following will form an anion?

a)

Tin

b)

Lead

c)

Chlorine

d)

Zinc

56.
What precipitate forms when you mix lead (II) nitrate with sodium chloride?
a)
sodium nitrate 
b)
lead (II) chloride 
c)
sodium lead
d)
chloride nitrate 
57.
Which is the correct net ionic equation for the reaction of AgNO3 and CaCl2?
a)
Ca2+(aq) +  2Cl- (aq) → CaCl(s)
b)
Ag+(aq)  +  Cl- (aq) → AgCl(s)
c)
Ag +  Cl  →  AgCl
d)
Ag+  +  Ca2+   →Ag2Ca (s)
58.
Which of the following does NOT form a precipitate?
a)
Pb(NO3)2(aq) + 2KI(aq) →
b)
Sr(NO3)2 (aq) + K2SO4(aq) →
c)
AgNO3(aq) + Na2S(aq) →
d)
 Pb(NO3)2(aq) + AgNO3(aq) →
59.
What are the spectator ions in the reaction of sodium chloride with silver nitrate?
a)
silver and nitrate
b)
sodium and chloride
c)
sodium and nitrate
d)
silver and chloride
60.
In this equation,
CuCl2 + NaOH  → Cu(OH)2 + NaCl
Which product is insoluble?
a)
copper(II) hydroxide
b)
sodium chloride
c)
sodium hydroxide
d)
copper(II) chloride
61.
Which is the correct net ionic equation for the reaction of AgNO3 and CaCl2?
a)
Ca2+(aq) +  2Cl- (aq) → CaCl(s)
b)
Ag+(aq)  +  Cl- (aq) → AgCl(s)
c)
Ag +  Cl  →  AgCl
d)
Ag+  +  Ca2+   →Ag2Ca (s)
62.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

63.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
64.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
65.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
66.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
67.
Elements in a ..................have similar chemical properties.  
a)
period
b)
group
c)
row
68.

Name this group: These metals are the most reactive.

a)
b)
c)
d)
69.

I am a metal


I am in group 2


I am in period 6


I am…

a)

Mo

b)

Re

c)

S

d)

Ba

70.

I am a nonmetal


I am in period 2


I am in group 16/6A

a)

Ba

b)

Si

c)

Ba

d)

O

71.

Find an element with similar chemical properties to Barium (Ba).

a)

Ca an Ra, because they are in the same group and have similar chemical properties.

b)

Cs and La, b/c they are in the same period number.

c)

Ca and Y, b/c they are 90 degree angle and have similiar properties.

72.

___NH3 + ___O2 → ___NO2 + ___H2O

Balance the equation. It shows that 4.00 mole of NH3 requires ___ mole(s) of O2

a)

1 mol

b)

2 mol

c)

3 mol

d)

4 mol

73.

What is the total mass of products formed when 16 grams of CH4 is burned with excess oxygen? (This is a combustion reaction and the reactants are given. The products are CO2 and water)

a)

32 g

b)

36 g

c)

44 g

d)

62 g

e)

80 g

74.

Balance the following equation with the SMALLEST WHOLE NUMBER COEFFICIENTS possible. Select the number that is the sum of the coefficients in the balanced equation: ___KClO3 → ___KCl + ___O2

a)

3

b)

5

c)

6

d)

7

e)

8

75.

Calculate the mass of hydrogen formed when 27 g of aluminum reacts with excess hydrochloric acid according to the balanced equation below. 2Al + 6HCl → 2 AlCl3 + 3 H2

a)

1.5 g

b)

2.0 g

c)

3.0 g

d)

6.0 g

e)

12 g

76.

How many grams of nitric acid, HNO3, can be prepared from the reaction of 138 g of NO2 with 54.0 g H2O according to the equation below?

3NO2 + H2O → 2HNO3 + NO

a)

92

b)

108

c)

126

d)

189

e)

279

77.

Which of the following statements is true?

a)

I. The molar mass of CaCO3 is 100.1 g/mol.

b)

II. 50 g of CaCO3 contains 9 ×1023 oxygen atoms.

c)

III. A 200 g sample of CaCO3 contains 2 moles of CaCO3

d)

None of them

78.

What are the coefficients that would properly balance this equation?

__Ca + __H2O --> __Ca(OH)2 + __H2

a)

2,1 --> 2,1

b)

1,2 --> 1,1

c)

1,2 --> 2,4

d)

1,2 --> 2,1

79.

What are the coefficients that would properly balance this equation?

__Al + __O2--> __Al2O3

a)

4,1 --> 2

b)

4,3 --> 4

c)

3,4 --> 1

d)

4,3 --> 2

80.

Determine the coefficients to balance the equation.

__Al +__HCl --> __H2 +__AlCl3

a)

2,6,3,2

b)

it's already balanced

c)

4,12,3,4

d)

2,1,4,5

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