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Atomic Structure

Total questions: 35

Worksheet time: 23mins

Name
Class
Date
1.
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 
2.
What subatomic particle is electrically neutral (no charge)?
a)
Proton
b)
Ion
c)
Neutron
d)
Electron
3.
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
4.
If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?
a)
10
b)
20
c)
30
5.
What subatomic particle(s) would be found orbiting the nucleus?
a)
Neutrons only
b)
Electrons only
c)
Protons and Neutrons
d)
Protons and Electrons
6.
Protons and Electrons balance the charge of an atom.
a)
True
b)
False
7.
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
8.
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
9.
The smallest particle of any type of matter is known by which of the following terms?
a)
Element
b)
Compound
c)
Atom
d)
Chemical
10.
What particle uniquely identifies an element?
a)
Number of Valence Electrons
b)
Number of Protons
c)
Number of Electrons
d)
Atomic Mass
11.
What subatomic particle is positively charged and is located inside of the nucleus?
a)
Proton
b)
Neutron
c)
Electron
d)
Ion
12.
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
13.
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.
14.
Electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
15.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
16.
How many neutron are in the atom "K"?
a)
7
b)
2
c)
39
d)
20
17.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
18.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
19.
The charge of a neutron in an atom.
a)
positive
b)
negative
c)
neutral
d)
+1
20.
a)
2
b)
8
c)
3
d)
13
21.
a)
2
b)
3
c)
5
22.
Valence electrons are the...
a)
Innermost electrons
b)
Middle electrons
c)
Outermost electrons
d)
Any electrons
23.

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

a)

1

b)

2

c)

3

d)

4

24.

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

a)

31

b)

5

c)

15

d)

4

25.
Elements in the same column of the periodic table always have the same # of _______ as one another.
a)
Protons
b)
Neutrons
c)
Electrons
d)
Valence Electrons
26.
How many valence electrons are found in atoms of group 14?
a)
4
b)
3
c)
14
d)
16
27.

The period number tells you the number of

a)

protons

b)

energy levels

c)

valence electrons

28.

How many energy levels does Au have? Just give me the number.

(a)  

29.

How many energy levels does Mg have? Just give me the number.

(a)  

30.

Which one of these is an electron dot diagram?

a)
b)
c)
31.

How do you find the number of valence electrons in an atom?

a)

by the groups of the periodic table

b)

by the periods of the periodic table

c)

take a wild guess

32.

Which of these atoms has 8 valence electrons?

a)
b)
c)
d)
33.

Which one of these is a Bohr Model?

a)
b)
34.

Which one of these is an electron dot diagram?

a)
b)
35.

Which of these shows protons, electrons, and neutrons

a)

Bohr model

b)

electron dot diagram

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