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Chem Quiz 14

Total questions: 20

Worksheet time: 38mins

Name
Class
Date
1.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
2.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
3.

What is the molecular weight of O2

a)

8

b)

16

c)

32

d)

There is none

4.

How many moles are in 6.94 grams of Li

a)

1

b)

2

c)

6.94

d)

way too many to count

5.

How many moles are in 19 grams of F2

a)

0.5

b)

1

c)

2

d)

19

6.

How many grams are in one mole of water

a)

16

b)

2.02

c)

18.02

d)

wet

7.

How many grams are in one mole of water

a)

16

b)

2.02

c)

18.02

d)

wet

8.

How many grams are in 2 moles of CO2

a)

14.01

b)

16

c)

44.01

d)

88.02

9.

The value of Avogadro’s constant is ___________ .

a)

6.0 × 10²⁴

b)

6.01 × 10²³

c)

6.022 × 10²³

d)

6.022 × 10⁻²³

10.

If 12 g of carbon has x atoms, then the number of atoms in 12 grams of magnesium will be ____________ .

a)

x

b)

2x

c)

ˣ⁄₂

d)

1.5x

11.

Molecular mass of NaCl is _____ .

a)

58.5 u

b)

59.25 u

c)

52 u

d)

25 u

12.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
13.
The substances listed on the left side of a chemical equation are the
a)
Products
b)
Coefficients
c)
Precipitates
d)
Reactants
14.
Which number should go in the blank?
Al(NO3)3 + _  NaOH -> Al(OH)3 + 3 NaNO3
a)
1
b)
2
c)
3
d)
0
15.
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. 
16.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
17.

What are the coefficients that would properly balance this equation?

__AgNO3 + __H2S --> __Ag2S+ __HNO3

a)

2,1 --> 1,2

b)

1,2 --> 1,1

c)

1,2 --> 1,2

d)

1,2 --> 2,1

18.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
19.
Which of the following is the correct Lewis structure for water?
a)
A
b)
B
c)
C
20.

YOU are capable of ______________ !!

a)

everything

b)

anything

c)

amazing things

d)

unlimited accomplishment