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Chem B review game

Total questions: 91

Worksheet time: 4hrs 40mins

Name
Class
Date
1.

How many different kinds of elements are in C6H12O6?

a)

1

b)

2

c)

3

d)

4

2.

How many atoms of Carbon are in the following formula?

3C2H6

a)

3

b)

6

c)

9

d)

18

3.

How many atoms of Hydrogen are in the following formula?

3C2H6

a)

3

b)

6

c)

9

d)

18

4.

What are the coefficients that will balance the skeleton equation below?

__Na + __F₂ → __NaF

a)

1, 2, 1

b)

2, 1, 2

c)

1,1,1

d)

2,2,2

5.

What are the coefficients that will balance the skeleton equation below?

___N₂ + __H₂ → __NH₃

a)

1,3,2

b)

1,2,3

c)

3,2,1

d)

1,2,1

6.

What are the coefficients that will balance the skeleton equation below?

__Sn + __HF → __SnF₂ + __H₂

a)

2,1,1,2

b)

1, 2, 1, 1

c)

2,1,2,1

d)

1,2,1,2

7.

Is the following reaction balanced?

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

a)

Yes

b)

No

8.

What type of chemical reaction is this?

2C8H18+25O2→16CO2+18H2O2C_8H_{18}+25O_2\rightarrow16CO_2+18H_2O  

a)

Combination

b)

Combustion

c)

Single-Replacement

d)

Double-Replacement

9.

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

10.

What number do I need to balance the following chemical equation?

2Al+6HCl→3H2+2Al+6HCl\rightarrow3H_2+  _ AlCl3AlCl_3  

a)

1

b)

2

c)

4

d)

6

11.

In what state of matter is Mg in, for the reaction below?

2AlPO4(aq)+3Mg(s) → 2Al(s)+Mg3(PO4)2(aq)2AlPO_4\left(aq\right)+3Mg\left(s\right)\ \rightarrow\ 2Al\left(s\right)+Mg_3\left(PO_4\right)_2\left(aq\right)  

a)

solid

b)

liquid

c)

gas

d)

aqueous

12.

In what state of matter is AlPO4AlPO_4   in, for the reaction below?

2AlPO4(aq)+3Mg(s) → 2Al(s)+Mg3(PO4)2(aq)2AlPO_4\left(aq\right)+3Mg\left(s\right)\ \rightarrow\ 2Al\left(s\right)+Mg_3\left(PO_4\right)_2\left(aq\right)  

a)

solid

b)

liquid

c)

gas

d)

aqueous

13.

Write the following number in standard form. Type your answer with no spaces and no commas.

5.7×10−15.7\times10^{-1}  

(a)  

14.

Write the following number in standard form. Type your answer with no spaces and no commas.

4.35×1054.35\times10^5  

(a)  

15.

7,000 g = ____ kg

a)

70

b)

700

c)

7

d)

0.07

16.

240 cm = ___________ m

a)

2400

b)

24

c)

2.4

d)

0.24

17.

What is the basic unit of mass in the metric system?

a)

Liter

b)

Meter

c)

Gram

d)

Kilometer

18.
Which unit is a a measure of volume?
a)
meters
b)
grams
c)
inches
d)
liters
19.
What are the three base units?
a)
mass,length,grams
b)
meters,length,grams
c)
measuring,liters,games
d)
meters,liters,grams
20.
The molecules of a gas vs. a solid....
a)
Move faster in a gas.
b)
Move faster in a solid.
21.
The molecules of a liquid vs. a gas...
a)
Move slower in a gas.
b)
Move slower in a liquid.
22.

As the temperature of a substance rises, the average kinetic energy of the particles making up the substance

a)

increases

b)

decreases

c)

remains the same

23.

100 Celsius is ? Kelvin (K = Celsius + 273)

a)

173 K

b)

373K

c)

273 K

d)

0 K

24.
If a glass of water warms to 78 degrees celsius, what is it's temperature in Kelvin?
(Kelvin = C + 273)
a)
-195
b)
78
c)
350
d)
351
25.
What is the correct formula for this molecule?
a)
Si4F
b)
SiF4
c)
SiF
d)
Si4F4
26.

By replacing the element symbol, this could be a diagram of which element?

a)

Li

b)

Al

c)

C

d)

Be

27.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
28.

Electron dot notation is . . . .

a)

A representation of an element in which only valence electrons of an atom are shown

b)

A representation of how compounds are formed.

29.

How many valence electrons does Carbon have

a)

1

b)

4

30.

How many valence electrons does Argon have

a)

8

b)

11

31.

What are valence electrons?

a)

The innermost electrons

b)

The outermost electrons

32.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false
33.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
34.

The formation of a covalent bond relies on the interaction or bonding of...

a)

2 Nonmetals

b)

1 Nonmetal & 1 Metal

c)

2 Metals

d)

2 Noble Gases

35.

What type of bond will this compound likely form H-Cl?

a)

Ionic compound

b)

Covalent compound

c)

Metallic compound

36.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
37.
What can be generalized about covalent bonds?
a)
Electrons will be exchanged.
b)
Electrons will be transferred.
c)
Electrons will be given and taken.
d)
Electrons will be shared.
38.
What is a diatomic element?
a)
a metal bonded with a nonmetal
b)
2 or more nonmetals bonded together
c)
2 or more metals bonded together
d)
2 atoms of the same element bonded together
39.

What bond is formed between a metal and a nonmetal?

a)

Covalent bond

b)

Ionic bond

c)

Hydrogen bond

d)

Metallic bond

40.

Which formula is for phosphorus trichloride?

a)

KCl3

b)

PCl3

c)

K3Cl

d)

P3Cl

41.

Silicon dioxide is the compound in sand. What is its formula?

a)

SO2

b)

NaO2

c)

SiO2

d)

SiO

42.
The chemical formula of sulfur hexabromide is
a)
SBr₆
b)
S₆Br
c)
S(VI)Br
d)
S6Br
43.

How many electrons does Sulfur want to gain?

a)

1

b)

2

c)

6

d)

7

44.

How many electrons does Aluminum want to lose?

a)

1

b)

2

c)

3

d)

5

45.
Why do elements bond?
a)
To be friends
b)
To create a new element
c)
To become stable
46.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
47.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
48.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
49.
When an atom loses a valence electron, it becomes a(n) _________ion.
a)
positive 
b)
negative
50.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
51.
A cation is a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
52.
A anion will be a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
53.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
54.

What are the seven diatomic elements?

a)

H2, Cl2, Br2, O2, N2, I2, F2

b)

H2, Cl2, I2, F2, Hg2, Br2, Fe2

c)

H2, Cu2, Ni2, B2, O2, I2, Fe2

55.
In Cl2, the 2 is known as
a)
the subscript.
b)
the coefficient.
c)
the molecular mass.
d)
the number of protons.
56.
Soluble in Water
a)
Ionic
b)
Covalent
57.
Shared Electrons
a)
Ionic
b)
Covalent
58.
Strong Bonds
a)
Ionic
b)
Covalent
59.
Electrically Reactive; Conducts Electricity when Dissolved in Water
a)
Ionic
b)
Covalent
60.
Jason poured 500 grams of water into a container and tightly sealed it. The water was allowed to freeze. Which is most likely true about the ice that formed?
a)
The mass of the ice is the same as the mass of the water.
b)
The mass of the ice is greater than the mass of the water.
c)
The ice formed is a different substance than the water.
d)
The ice formed is the same temperature as the water.
61.
Rodney tears a piece of paper weighing 1 oz into small pieces. What most likelyhappens to the weight of the sheet of paper after Rodney tears it into pieces?
a)
The 
b)
The weight is cut in half.
c)
The weight stays the same.
62.

What is Avogadro's number?

a)

6.02 x 1023

b)

1 mole

c)

600 million

d)

6.02

63.

How many moles are in 6.02 x 1023 molecules of H2O?

a)

1 mole

b)

2 moles

c)

6.02 moles

d)

602000000000000000000000 moles

64.

How is moles abbreviated?

a)

M

b)

m

c)

mol

d)

ml

65.

What is the molar mass of (NH4)2CO3?

a)

144g

b)

138g

c)

96g

d)

78g

66.

What id the molar mass of UF6?

a)

101 g/mol

b)

238 g/mol

c)

257 g/mol

d)

352 g/mol

67.

Calculate the molar mass of KOH.

a)

28 g/mol

b)

56 g/mol

c)

84 g/mol

d)

112 g/mol

68.

Calculate the molar mass of Cu2O.

a)

37 g/mol

b)

45 g/mol

c)

79.5 g/mol

d)

143 g/mol

69.

Mole Ratios used for conversions are derived from:

a)

the molar mass of the reactants in the balanced chemical equation

b)

the coefficients of the balanced chemical equation

c)

the subscripts of the products in the balanced chemical equation

d)

the group number of each element in the balanced chemical equation

70.

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

Ethane (C2H6) combusts in the above reaction. What is the mole ratio of ethane to oxygen gas?

a)
b)
c)
d)
71.
N2 +  3H2 → 2NH3 
What is the mole ratio between Nitrogen and Ammonium in the above reaction?
a)

1 moles NH3 / 2 moles N2 

b)

3 moles NH3 / 1 moles N2 

c)

2 moles N2 / 2 moles NH3 

d)

1 moles N2 / 2 moles NH3 

72.

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

New problem: If 16 moles of carbon dioxide are formed by this reaction, how many moles of water were also produced?

a)

4 mol H2O

b)

6 mol H2O

c)

24 mol H2O

d)

96 mol H2O

e)

384 mol H2O

73.
What is the VSEPR theory used to predict?
a)
Bond Strength
b)
Polarity
c)
Molecular Shape
d)
Electronegativity
74.
According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?
a)
Pairs of valence electrons
b)
Inner shell electrons
c)
Mobile Electrons
d)
Electrons closest to the nucleus
75.

What is the molecular geometry/shape of a molecule with 4 shared pairs and 0 unshared pairs?

a)

Linear

b)

Bent

c)

Trigonal Pyramidal

d)

Tetrahedral

76.
*
a)
trigonal pyramid
b)
linear
c)
bent
d)
angular
77.

How many step will it take for me to go from moles given to moles unknown?

a)

1

b)

2

c)

3

d)

4

78.

How many steps will it take me to go from grams to grams?

a)

4

b)

3

c)

2

d)

1

79.

How many step will it take for me to go from grams to moles unknown

a)

1

b)

2

c)

3

d)

4

80.

Substances and agents known to cause cancer are called ________.

a)

cancer-causing agents

b)

cyclins

c)

carcinogens

d)

interphase

81.

Quantitative is a research that based on ....

a)

measurements

b)

words

c)

opinions

d)

expressions

82.

Repeating subunits that make up a polymer are called...

(a)  

83.

A __________ consists of many monomers bonded together.

a)

monomer

b)

hydrocarbon

c)

peptide

d)

polymer

84.
Rigid and very strong Polymer.
a)
Linear
b)
Branched
c)
Cross-Linked
d)
Thermoset
85.

The word polymer comes from the Greek meaning...?

a)

twisted

b)

bonded together

c)

together by choice

d)

many parts

86.

Define polymer

a)

short molecule made of a few repeating units

b)

circular molecule made with many repeating units

c)

long, chain-like molecule made of repeating units

d)

chain-like molecule that contains hydrogen and oxygen

87.

Borax adds crosslinkers between different polymers within the glue. Add more borax .......

a)

to creates a tighter network that is better for

bouncing.

b)

allows the

material to stretch, like slime

88.

Ice cream melting is an example of an __________ process. (heat enters the system from the surroundings)

a)

endothermic

b)

exothermic

89.

When heat flows from system to the surroundings that is an example of an ________________ process.

a)

exothermic

b)

endothermic

90.

Heat flows from _______ to _________.

a)

warm to cool

b)

cool to warm

91.
If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________
a)
one reaches a temperature of zero
b)
they both have an equal temperature
c)
one runs out of energy

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