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Semester 1 Final Exam Review Part 1

Total questions: 39

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

What particle view below is a mixture?

a)

b)

c)

d)

2.

What is the best classification for this substance?

a)

An element

b)

A compound

c)

A mixture

3.

What is the best classification of this substance?

a)

An element

b)

A compound

c)

A mixture of 2 elements

d)

A mixture of 2 compounds

4.

Which letter on the diagram represents a gas?

a)

A

b)

B

c)

C

d)

D

5.

Which letter on the diagram represents a liquid?

a)

A

b)

B

c)

C

d)

D

6.

Which letter on the diagram represents the triple point?

a)

A

b)

B

c)

C

d)

D

7.

What phase change occurs from F to E?

a)

Sublimation

b)

Deposition

c)

Melting

d)

Condensation

8.

What phase change occurs from C to D?

a)

Condensation

b)

Vaporization

c)

Melting

d)

Sublimation

9.
How many sig figs are there?
9009.00
a)
2
b)
4
c)
5
d)
6
10.

How many significant figures are in 1,258,000?

a)

1

b)

2

c)

3

d)

4

11.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
12.
Express 23400 in proper scientific notation. 
a)
2.34 x 104
b)
2.3 x 103
c)
2.30 x 105
d)
2.34 x 103
13.

Which is a quality that only gases display?

a)

Spread out to fill all available space

b)

Can be compressed

c)

Take the shape of their container

d)

All of these

14.

A sample of hydrogen at 1.5 atm had its pressure decreased to 0.50 atm producing a new volume of 750 mL. What was its original volume?

a)

245 ml

b)

345 ml

c)

123 ml

d)

250.mL

15.

5. According to Charles Law, if Temperature of a gas increases Volume will also....

a)

Increases

b)

Stays the same

c)

Decreases

16.
A sample of gas with a volume of 30.0 mL at 25.0oC is heated to 50.0oC.  What is the new volume of the gas?
a)
60.0 mL
b)
15.0 mL
c)
27.5 mL
d)
32.5 mL
17.
Determine the initial temperature of a random gas when the initial volume is 2.2 L and it is cooled to 88K with a volume of 0.85 L. 
a)
0.029 K
b)
0.021 K
c)
227.76 K
d)
34 K
18.
A neutron is a subatomic particle that has 
a)
no charge and about 1 amu
b)
positive charge and 1 amu 
c)
negative charge and 1 amu 
d)
positive charge and 0 amu 
19.
What two particles are found INSIDE of the nucleus of an atom? 
a)
protons and electrons 
b)
protons and neutrons 
c)
electrons and neutrons 
d)
only protons 
20.
Atoms of the same element that have different number of protons are called 
a)
ions 
b)
atoms 
c)
isotopes
d)
elements 
21.
In order to find the number of protons in an atom we have to look at the 
a)
atomic mass 
b)
atomic number 
c)
electrons 
d)
total weight of the atom 
22.

What is the mass number of a nitrogen atom that has 8 neutrons?

a)

15

b)

14

c)

22

d)

8

23.
Cations are _______ that form ____________ ions and __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
24.
Anions are _______ that form ____________ ions and __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
25.

For the highlighted group, what is charge of ion formed?

a)

1-

b)

2-

c)

3-

d)

2+

e)

3+

26.

For the highlighted group, what is charge of ion formed?

a)

1+

b)

1-

c)

2+

d)

2-

e)

3+

27.

The majority of the elements on the Periodic Table are

a)

metals

b)

nonmetals

c)

metalloids

d)

solids

28.

Which of the following is a metalloid? (more than one is correct)

a)

Hydrogen

b)

Boron

c)

Germanium

d)

Titanium

e)

Polonium

29.

What kind of elements are dull and have low melting points?

a)

metals

b)

nonmetals

c)

metalloids

d)

megametals

30.

What kind of elements are malleable and mostly solid?

a)

metals

b)

nonmetals

c)

metalloids

d)

megametals

31.

What kind of elements have characteristics of both metals and nonmetals?

a)

metals

b)

nonmetals

c)

metalloids

d)

megametals

32.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
33.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
34.

Each row on the periodic table represents:

a)

an energy level

b)

a sublevel

c)

an electron

d)

an orbital

35.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
36.
Which is an electron?
a)
A
b)
B
c)
C
37.

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

a)

3

b)

4

c)

5

38.

How many valence electrons does Tin (Sn) have?

a)

8

b)

7

c)

5

d)

4

39.

How many valence electrons does Bromine (Br) have?

a)

5

b)

6

c)

7

d)

8

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