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WorksheetsYr10 Periodic Table - Electron Configuration
Total questions: 25
Worksheet time: 27mins
Name
Class
Date
1.
What is the electron configuration of sodium?
a)
2.8
b)
2.8.2
c)
2.8.1
d)
11
2.
What is the electron configuration of calcium?
a)
2.8.8.2
b)
2.8.10
c)
20
d)
2.18.2
3.
Which element has an electron configuration of 2.5?
a)
Oxygen
b)
Nitrogen
c)
Phosphorus
d)
Carbon
4.
Which element has an electron configuration of 2.8.8?
a)
Lead
b)
Flourine
c)
Neon
d)
Argon
5.
What is the electron configuration of Aluminium?
a)
2.8.3
b)
2.11
c)
13
d)
2.8.2
6.
What is the electron configuration of chlorine?
a)
17
b)
2.7
c)
2.8.7
d)
2.8.4
7.
Which element has the electron configuration of 2.7?
a)
Krypton
b)
Iodine
c)
Flourine
d)
Barium
8.
Which element has the electron configuration of 2.7?
a)
Krypton
b)
Iodine
c)
Flourine
d)
Barium
9.
What is the electron configuration of beryllium?
a)
2.2
b)
2.4
c)
4
d)
6
10.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
11.
What element is represented in this Bohr Model?
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
12.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
13.
What is the name of this element?
a)
Beryllium
b)
Boron
c)
Barium
d)
Bromine
14.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
15.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
16.
What group does this element belong to?
a)
Group 1: Alkali metals
b)
Group 18: Noble Gases
c)
Group 2: Alkaline-Earth Metals
d)
Group 17: Halogens
17.
Identify this atom.
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
18.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
19.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
20.
Sodium has an atomic number of 11, how many protons does this atom have?
a)
22
b)
11
c)
12
d)
2
21.
What is the atomic mass of Copper?
a)
63.546
b)
29
c)
29.546
d)
92
22.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
23.
How many neutrons does a Hydrogen atom have?
a)
1
b)
2
c)
3
d)
0
24.
How many electrons are in a gold atom?
a)
79
b)
196
c)
117
d)
275
25.
How many neutrons does an Oxygen atom have?
a)
8
b)
16
c)
24
d)
7.999
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