WorksheetsUnit 4 Electrons
Total questions: 22
Worksheet time: 44mins
Name
Class
Date
1.
How many electrons should Nitrogen have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
2.
How many electrons should Oxygen have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
3.
How many electrons should Helium have around its Lewis dot model?
a)
1
b)
2
c)
7
d)
8
4.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
5.
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
6.
How many valence electrons does Sulfur have?
a)
4
b)
5
c)
6
d)
7
e)
8
7.
How many valence electrons does Bromine have?
a)
4
b)
5
c)
6
d)
7
e)
8
8.
Each row on the periodic table represents:
a)
an energy level
b)
a sublevel
c)
an electron
d)
an orbital
9.
Identify the Electron Configuration for Aluminum (Al)
a)
1s2 2s2 2p6 3s2 3p1
b)
1s2 2s2 2p6 3s2 3p3
c)
1s2 2s2 2p6 3s2 4p1
10.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
11.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
12.
What is the distance from the peak of one wave to the next peak?
a)
Amplitude
b)
Frequency
c)
Period
d)
Wavelength
13.
Which electromagnetic waves help doctors detect broken bones inside your body?
a)
gamma rays
b)
x-rays
c)
ultraviolet rays
14.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
15.
The blue section of the wave is measuring _________________.
a)
wavelength
b)
crest
c)
trough
d)
amplitude
16.
Which of the following has the most energy?
a)
Red
b)
Blue
c)
Green
d)
Violet
17.
Which of the following has the lowest energy?
a)
The color yellow
b)
The color blue
c)
The color indigo
d)
The color orange
18.
USE THE PERIODIC TABLE
How many valence electrons does sodium have?
a)
1
b)
2
c)
3
d)
4
19.
How many valence electrons does carbon have?
a)
4
b)
5
c)
6
d)
7
20.
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
21.
How many valence electrons does Bromine have?
a)
4
b)
5
c)
6
d)
7
e)
8
22.
I am an element in the 3rd row of the periodic table...I have one unpaired electron in my last sublevel...I have 3 valence electrons...who am I?
a)
Na
b)
Al
c)
Cl
d)
Ar
100 %
