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Test 2 Review

Total questions: 80

Worksheet time: 3hrs 34mins

Name
Class
Date
1.

A mole of carbon dioxide and mole of sulfur have which of these in common?

a)

They have the same mass.

b)

They have the same volume.

c)

They contain the same number of particles.

d)

They have nothing in common.

2.

Find the number of moles in 25.0 grams of HF?

a)
1.25 mol HF
b)

  1. 500. HF mol

c)

1.51 x 1025 mol HF

d)

7.53 x 1023 mol HF

3.

How many grams is 1.2 moles of neon?

a)

0.059 grams

b)

7.2 x 1023 grams

c)

3.6 x 1022 grams

d)

24 grams

4.
How many molecules are in 9.44 moles of AlCl3?
a)

5.68 molecules AlCl3

b)

5.68 x 1024 molecules AlCl3

c)

0.705 molecules AlCl3

d)

1.25 x 1023 molecules AlCl3

5.

How many molecules are present in a 135 g sample of Teflon, which has a formula of C2F4?

a)

6.13 x 1023 molecules

b)

5.13 x 1023 molecules

c)

8.13 x 10 23 molecules

d)

9.13 x 1023 molecules

6.

What is the mass of 1.2 x 1024 atoms of C?

a)

2.0 grams

b)

24 grams

c)

0.17 grams

d)

8.7 x 1047 grams

7.

Hydrogen is a _______.

a)

Metal

b)

Metalloid

c)

Nonmetal

8.

Boron is a _______.

a)

Metal

b)

Metalloid

c)

Nonmetal

9.

Potassium is a _______.

a)

Metal

b)

Metalloid

c)

Nonmetal

10.

Which of the following are ionic compounds? Choose all that apply.

a)

SF2

b)

PbCl2

c)

BaI2

d)

P4O10

11.

Write the name of the following compound: CaSO4

(a)  

12.

Write the name of the following compound: S2O3

(a)  

13.

What's the formula for iron(II) sulfide?

a)

FeS

b)

Fe2S

c)

SFe

d)

S2Fe

14.

Select the correct formula for sulfur hexachloride.

a)

S2Cl6

b)

S6Cl

c)

SCl6

d)

SF6

15.

What charge ion does aluminum form?

a)

2+

b)

3+

c)

3-

d)

2-

16.

Balance this equation: P4 + O2  → P2O3

a)
3 P4+ O2 --> 2 P2O3
b)
 P4+ O2 --> 2 P2O3
c)
 P4+ 3 O2 --> 2 P2O3
d)
 P4+ 2 O2 --> 3 P2O3
17.

In 3N2O4, which is true?

a)

3 is a subscript, and 4 is a coefficient.

b)

2 is a subscript, and 3 is a coefficient.

c)

Both 3 and 2 are subscripts.

d)

Both 2 and 4 are coefficients.

18.

In the following equation, what does the 5 represent? C3H8 + 5O2 → 3CO2 + 4H2O

a)

There are 5 grams of oxygen.

b)

There are 10 oxygen atoms bonded in a molecule.

c)

There are 5 oxygen atoms.

d)

There are 5 oxygen molecules.

19.

P4 + 3 O2 ----> 2 P2O3

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

20.

MgCl2 + Li2CO3 ----> MgCO3 + 2 LiCl

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

21.

*Copper commonly form ions with which charge(s)? (check all that apply)

a)

1+

b)

2+

c)

3+

d)

4+

22.

*What is the name for H3P?

a)

phosphoric acid

b)

hydrogen phosphoric acid

c)

phosphorous acid

d)

hydrophosphoric acid

23.

*What is the formula for acetic acid?

a)

HC2H3O2HC_2H_3O_2  

b)

CH3COOHCH_3COOH  

c)

H2C2H3O2H_2C_2H_3O_2  

d)

C2H4O2C_2H_4O_2  

24.

Small numbers that are written to the right of element symbols and represent the number of atoms are called

a)

coefficients.

b)

charges

c)

superscripts.

d)

subscripts.

25.

Moles are the SI unit for

a)

mass.

b)

length.

c)

volume.

d)

quantity.

26.

The common charge for group 15 is

a)

3+

b)

4+

c)

3-

d)

2-

27.
Write a balanced reaction for this SR Reaction
Zn(s) + H2SO4(aq) -->
a)
Zn(SO4)2 + H
b)
ZnSO4 + H2
c)
NR
d)
Zn2SO4 + H2
28.
Predict the products for the this reaction:
Mg + CuCl2 --> 
a)
MgCl2 + Cu
b)
MgCl + Cu
c)
MgCu + Cl2
d)
CuMg + Cl2
29.
Write a balanced equation for this Double Displacement reaction
NaOH + Fe(NO3)3 -->
a)
NaFe + OH(NO3)3
b)
2NaNO3 + 3Fe(OH)3
c)
NaNO3 + FeOH
d)
3NaNO3 + Fe(OH)3
30.
KI + Pb(NO₃)₂ →
a)
KNO + PbI
b)

KNO₃ + PbI₂

31.
FeS + HCl →
a)
HS + FeCl
b)
H₂S + FeCl₂
32.

Mg + F2→

a)
MgF
b)
MgF₂
c)
FMg
33.

Identify the correctly written reaction below:

1. Check for correct products

2. Check for correct state symbols

3. Check the balancing

a)

2C6H6(l) + 15O2(g) → 12O2(g) + 6H2O(g)

b)

2C2H6(l) + 3O2(g) → 2CO2(g) + 2H2O(g)

c)

4Al(s) + 4O2(g) → CO2(g) + 2Al2O3(s)

d)

2PbCl2(aq) + O2(g) → 2PbO(aq) + 2Cl2(g)

34.
Which of the following equations represents the balanced synthesis reaction of iron (III) and oxygen?
a)
Fe + 3 O2 → Fe2O3
b)
3 Fe + 3 O2 → 2 Fe2O3
c)
2 Fe + O2 → Fe2O3
d)
4 Fe + 3 O2 → 2 Fe2O3
35.
What is the product when rubidium and oxygen gas react?
a)
RbO2
b)
Rb2O
c)
RbO
d)
Rb2O2
36.
 Predict the product(s):  H2O -->
a)
H and O
b)
H2 and O2
c)
H and OH
37.
Name HF
a)
hydrofluoric acid
b)
Hypofluoric acid
c)
hydrogen fluorine acid
d)
fluoric acid
38.
What is the formula for nitric acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
39.
HNO2
a)
hydronitrogen
b)
hydrogen nitrogen oxygen
c)
nitrous acid
d)
nitric acid
40.
carbonic acid
a)
H2CO3
b)
H2CrO4
c)
H2C2O4
d)
HCO3
41.

Binary acids start with "____________"

a)

acid

b)

nitric

c)

hydraulic

d)

hydro

42.

When naming ternary acids, change "-ite" to:

a)

-ate

b)

-ic

c)

-ous

d)

-ite

43.

When naming ternary acids, change "-ate" to:

a)

-ate

b)

-ic

c)

-ous

d)

-ite

44.
Based on the activity series, will this reaction occur?
Ni (s) + H2O (l) →
a)
Yes
b)
No
45.
Based on the activity series, will this reaction occur?
Br2 (l) + KI (aq) →
a)
Yes
b)
No
46.
A mixture contains cobalt metal, copper metal, and tin metal. This mixture is mixed with nickel nitrate. Which metals, if any, will react? 
a)
Cobalt only
b)
Copper only
c)
Tin only
d)
All 3
47.

Predict the product(s) of this reaction (don't worry about balancing):

Li + H2O →

a)

Li2O + H2

b)

LiO + H2

c)

LiOH + H2

d)

Li(OH)2

48.

Predict the product(s) of this reaction (don't worry about balancing):

Mg + HCl →

a)

MgHCl

b)

MgCl2 + H2

c)

MgCl2 + H

d)

MgCl + H2

49.

Based on the activity series, which metal could X represent in the reaction below?

X + Ca (NO3)2 --> Ca + X (NO3)2

a)

Ba

b)

Fe

c)

Mg

d)

Zn

50.

Which metal is more reactive than calcium?

a)

magnesium

b)

potassium

c)

silver

d)

aluminum

51.
What  will be the result of the following: 
Br2 + NaF ->
a)
bromine will replace Na
b)
Na will replace Br
c)
Br will replace F
d)
no reaction will occur
52.
What  will be the result of the following: 
Li + NaF ->
a)
Li will replace F
b)
Na will replace Li
c)
Li will replace Na
d)
no reaction will occur
53.
Will silver react with magnesium chloride solution?
a)
yes
b)
no
54.

The Law of Conservation of Mass says:

a)

Matter can be destroyed, but it can't be created.

b)

Matter can be created with any density as long as the volume remains constant.

c)

Matter cannot be created nor destroyed.

d)

Matter can change phases and still be the same substance.

55.

H3PO4 + KOH ------> K3PO4 + H2O


Is this equation balanced?

a)

yes

b)

no

c)

impossible to determine

56.

Which choice shows this equation balanced?


K + B2O3 -----> K2O + B

a)

2K + B2O3 -----> K2O + 3B

b)

K + 2B2O3 -----> 4K2O + B

c)

6K + B2O3 -----> 3K2O + 2B

d)

balanced as is.

57.

The _______ are on the left side of the equation and the _______ are on the right.

a)

products; reactants

b)

reactants; solutions

c)

solvents; products

d)

reactants; products

58.

Choose the Answer that shows this equation balanced:


Na + O2 ----> Na2O2

a)

Na + 3O2 ----> Na2O2

b)

2Na + O2 ----> Na2O2

c)

Na + 2O2 ----> Na2O2

d)

3Na + 2O2 ----> Na2O2

59.

The two (2) is indicating _________.

a)

subscripts

b)

reactants

c)

coefficients

d)

aqueous

60.

The three (3) indicates which part?

a)

reactants

b)

products

c)

equation

d)

formulas

61.

The number four (4) represents which part of the equation?

a)

aqueous

b)

gas

c)

liquid

d)

solid

62.

Number five (5) is indicating ____ of the equation.

a)

solid

b)

liquid

c)

gas

d)

aqueous

63.

Number six (6) is indicating ____ of the equation.

a)

solid

b)

liquid

c)

gas

d)

aqueous

64.

Number seven (7) is indicating ____ of the equation.

a)

reactants

b)

products

c)

equation

d)

formulas

65.
Translate the following word equation: 
Liquid nitrogen and oxygen gas combine to form nitrogen monoxide gas. 
a)
N + O → NO
b)
N2 + O2 → N2O2
c)
N2(l) + O2(g) → NO(g)
d)
N(l) + O2(g) → NO(g)
66.

Translate the word equation below:

Nitrogen reacts with hydrogen to form ammonia (NH3).

a)

N  → H + NH3N\ \ \rightarrow\ H\ +\ NH_3

b)

N2 + H2 → NH3N_2\ +\ H_2\ \rightarrow\ NH_3

c)

N + H → NH3N\ +\ H\ \rightarrow\ NH_3

d)

N2 → H2 + NH3N_2\ \rightarrow\ H_2\ +\ NH_3

67.

Choose the most correct sentence to describe the following reaction: Al2O3(s) --> Al(s) + O2(g)

a)

Aluminum oxide decomposes into aluminum and dioxygen.

b)

Aluminum reacts with dioxygen to make aluminum oxide.

c)

Solid aluminum(II) oxygen make gas aluminum and oxygen.

d)

Solid aluminum oxide produces solid aluminum metal and oxygen gas.

68.

Choose 2 words or phrases that could be used to translate the (aq) symbol

a)

water

b)

aqueous

c)

dissolved in water

d)

liquid

69.
Which is NOT a diatomic molecule?
a)
Fluorine
b)
Nitrogen
c)
Boron
d)
Bromine
70.

Mg (s) + N2 (g) --> Mg3N2 (s)

a)

Solid magnesium and nitrogen gas yield solid magnesium nitride.

b)

Solid magnesium and dinitrogen gas yield solid magnesium nitride.

c)

Solid magnesium and nitrogen gas yield solid trimagnesium dinitride.

d)

Solid magnesium and nitrogen gas yield solid magnesium nitrate.

71.

Name: Fe(OH)2

a)

Iron(I) hydroxide

b)

Iron hydroxide

c)

Iron(II) hydroxide

d)

Iron(III) hydroxide

72.

What is the name of the ionic compound with the formula FeCl₃?

a)

Iron(II) Chloride

b)

Iron(III) Chloride

c)

Iron(IV) Chloride

d)

Iron(I) Chloride

73.

What is the correct chemical formula for Lithium Sulfide?

a)

LiS

b)

Li₂S

c)

Li₃S

d)

LiSO₄

74.

How do you determine the formula of an ionic compound?

a)

By balancing the total positive and negative charges of the ions.

b)

By adding the atomic masses of the elements involved.

c)

By using the electronegativity values of the elements.

d)

By determining the physical state of the compound.

75.
The correct chemical formula for magnesium phosphide is
a)
MgP
b)
Mg₂P₃
c)
Mg₃P₂
d)
Mg₃(PO₄)₂
76.
What is the formula for manganese(III) oxide?
a)
MgO
b)
Mg2O3
c)
MnO
d)
Mn2O3
77.
The formula of calcium phosphate is 
a)
CaPO4
b)
Ca2(PO4)3
c)
Ca3PO4
d)
Ca3(PO4)2
78.
zinc fluoride
a)
ZnF2
b)
ZnF
c)
Zn2F
d)
Zn2F4
79.
The formula for copper (II) hydroxide is
a)
Cu(II)OH
b)
Cu(OH)2
c)
Cu2OH
d)
CuOH2
80.

Which of the following is NOT an ionic compound?

a)

CaO

b)

NaOH

c)

BaCl2

d)

Br2

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