WorksheetsSubatomic Particles and Valence Electrons Practice Quiz
Total questions: 23
Worksheet time: 2hrs 55mins
Name
Class
Date
1.
How many protons are in Zirconium (Zr) ?
a)
40
b)
91
c)
30
d)
65
2.
How many electrons does Cu4+ have?
a)
29
b)
33
c)
25
d)
30
3.
How many electrons does S2- have?
a)
16
b)
18
c)
14
d)
12
4.
A proton is....
a)
A negatively charged subatomic particle
b)
A positively charged subatomic particle
c)
A neutrally charged subatomic particle
d)
The only subatomic particle located in the nucleus
5.
A neutron has a charge of
a)
+2
b)
No charge
c)
-1
d)
+1
6.
What does the atomic mass tell you?
a)
Basically,the number of electrons and protons
b)
The number of neutrons
c)
Basically, the number of protons and neutrons
d)
The number of protons.
7.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
8.
Elements can have the same number of protons?
a)
True
b)
False
9.
When an atom loses a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
10.
Do electrons contribute to the atomic mass of an atom?
a)
YES of course, they are there for a reason
b)
NO, they are useless to the atom
c)
No, their mass is too small to contribute to the mass
d)
YES, silly, they are the superstars of the atom
11.
The number of protons is equal to
a)
the atomic number
b)
the number of neutrons
c)
the energy levels
d)
the periodic table groups
12.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
Electrons and megatrons
13.
What are the 3 subatomic 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
14.
Valence electrons are found in the ______ energy level.
a)
Farthest in
b)
Middle
c)
Outermost
15.
How many valence electrons are in an atom of Ar?
a)
2
b)
8
c)
4
d)
1
16.
How many valence electrons are found in atoms of group 1?
a)
7
b)
6
c)
4
d)
1
17.
How many Valance electrons does Iodine Have?
a)
6
b)
16
c)
7
d)
17
18.
a)
7
b)
8
c)
9
d)
10
19.
a)
2
b)
3
c)
5
20.
What is the atomic number for an element with 41 neutrons and a mass number of 80?
a)
39
b)
41
c)
80
d)
121
21.
How many protons are present in phosphorus-31
a)
15
b)
16
c)
31
d)
46
22.
How many neutrons does this isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
23.
Sulfur - 34 has how many neutrons?
a)
16
b)
34
c)
18
d)
50
100 %
