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The Atom

Total questions: 60

Worksheet time: 2hrs 39mins

Name
Class
Date
1.

The smallest particle into which an element can be divided and still be the same element is a(n)

a)

proton

b)

neutron

c)

electron

d)

atom

2.

Which subatomic particle has a positive charge?

a)

proton

b)

nuetron

c)

electron

d)

atom

3.

Which subatomic particle has a negative charge?

a)

proton

b)

neutron

c)

electron

d)

atom

4.

Which subatomic particle has a neutral (0) charge?

a)

proton

b)

nuetron

c)

electron

d)

atom

5.

Why is the overall charge of an atom neutral (0)?

a)

They have the same number of protons and neutrons.

b)

They have the same number of protons and electrons.

c)

They have the same number of electrons and neutrons.

6.

Which TWO of the following subatomic particles are inside the nucleus?

a)

protons

b)

electrons

c)

neutrons

d)

There are no subatomic particles in the nucleus of an atom.

7.

The number of which subatomic particle determines the element of an atom (if it's carbon, oxygen, nitrogen, etc.)?

a)

proton

b)

neutron

c)

electron

d)

Subatomic particles do no determine the element of an atom.

8.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

lithium

b)

oxygen

c)

magnesium

d)

carbon

9.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

carbon

b)

lithium

c)

beryllium

d)

nitrogen

10.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

boron

b)

beryllium

c)

neon

d)

lithium

11.

How many protons does fluorine have?

a)

19

b)

1

c)

9

d)

10

12.

How many neutrons does nitrogen have?

a)

7

b)

14

c)

0

d)

6

13.

Using the diagram as a reference, how many electrons does lithium have in its OUTER shell?

a)

1

b)

3

c)

8

d)

2

14.

How many electrons does silicon have?

a)

28

b)

14

c)

0

d)

10

15.

Using the diagram as a reference, how electrons does carbon have in its OUTER shell?

a)

2

b)

6

c)

4

d)

1

16.

Using the diagram as a reference, how electrons does neon have in its OUTER shell?

a)

10

b)

8

c)

2

d)

6

17.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
18.
What subatomic particle is electrically neutral (no charge)?
a)
Proton
b)
Ion
c)
Neutron
d)
Electron
19.
What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
22
b)
11
c)
34
d)
23
20.
If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?
a)
10
b)
20
c)
30
21.
What subatomic particle(s) would be found orbiting the nucleus?
a)
Neutrons only
b)
Electrons only
c)
Protons and Neutrons
d)
Protons and Electrons
22.
Protons and Electrons balance the charge of an atom.
a)
True
b)
False
23.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
24.
If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?
a)
12 neutrons
b)
12 electrons
c)
12 protons
d)
24 protons and neutrons
25.
The smallest particle of any type of matter is known by which of the following terms?
a)
Element
b)
Compound
c)
Atom
d)
Chemical
26.
What particle uniquely identifies an element?
a)
Number of Valence Electrons
b)
Number of Protons
c)
Number of Electrons
d)
Atomic Mass
27.
What subatomic particle is positively charged and is located inside of the nucleus?
a)
Proton
b)
Neutron
c)
Electron
d)
Ion
28.
Which one of these is NOT located in the element square on the Periodic Table?
a)
Atomic Number
b)
Atomic Mass
c)
Room Temperature
d)
Chemical Symbol
29.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
30.
Electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
31.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
32.
The charge of a neutron in an atom.
a)
positive
b)
negative
c)
neutral
d)
+1
33.
What do these isotopes of carbon all have in common?
a)
neutrons & mass number
b)
atomic number and neutrons
c)
atomic number and electrons
d)
protons, atomic number, and mass number
34.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
35.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70
36.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons 
d)
mass number
37.
What quantities vary between isotopes of an element?
a)
protons, electrons, and atomic mass
b)
protons, electrons, and atomic number
c)
neutrons and electrons
d)
neutrons and atomic mass
38.
which atom has  4 neutrons?
a)
Li-6
b)
Li-7
c)
Li-8
d)
they have the same # of neutrons
39.
How many neutrons does the isotope below have?     89 36Kr
a)
53
b)
36
c)
89
d)
125
40.
If X is the symbol for an element, which of the following two symbols represent    isotopes of the same element?     I. 7735X  II. 7733X  III. 8137X  IV. 8135 X
a)
I and II
b)
III and IV
c)
I and IV
d)
I and III
41.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
42.
Which is the electron configuration for an oxygen atom?
a)
1s22s22p63s23p64s2
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p6
43.
What is the maximum number of electrons that an orbital can have?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
44.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
45.
How many p orbitals are there in a sublevel?
a)
2
b)
1
c)
4
d)
3
46.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
47.
What is this element? 
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
48.
What atom matches this electron configuration?
[Xe] 6s2 4f14 5d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
49.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
50.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
51.
How many valence electrons does Chlorine have?
a)
5
b)
2
c)
7
d)
5
52.
How many valence electrons does phosphorus have?
a)
5
b)
2
c)
8
d)
15
53.
What element has the valence shell configuration
3s2 3p2
a)
Al
b)
B
c)
Si
d)
Ga
54.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
55.
Identify the element in Period 5 that has 1 valence electron?
a)
Rb
b)
Nb
c)
Ag
d)
Sb
56.
What element in Period 4 has 5 valence electrons?
a)
Zr
b)
As
c)
V
d)
Sb
57.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
58.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
59.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
60.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6

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