WorksheetsElectron configuration
Total questions: 20
Worksheet time: 40mins
Name
Class
Date
1.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
2.
What atom matches this electron configuration?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
3.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
4.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
5.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
6.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
7.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
8.
What is this element?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
9.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
10.
There are 4 different types of subshells s,p,d,f
a)
true
b)
false
11.
Which electron configuration belongs to Copper (Cu)?
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d8
b)
1s2 2s2 2p6 3s2 3p6 4s2 3d9
c)
1s2 2s2 2p6 3s2 3p6 4s2 3d10
12.
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
13.
How many electrons can the p sublevel hold?
a)
8
b)
6
c)
2
d)
4
14.
What is the noble gas shorthand electron for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p4
15.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
16.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
17.
Ionisation energy is ___________.
a)
maximum energy required to remove 1 electron from 1 mol of gaseous atom
b)
minimum energy required to remove 1 electron from 1 mol of gaseous atom
c)
first ionisation energy
d)
second ionisation energy
18.
The equation for the first ionisation energy of a sodium atom is:
a)
Na (g) -> Na+ (g) + e-
b)
Na+ (g) -> Na2+ (g) + e-
c)
Na (s) -> Na+ (g) + e-
d)
Na+ (g) + e- -> Na (g)
19.
Which of the following has a lowest first ionisation energy?
a)
Sodium (Na)
b)
Magnesium (Mg)
c)
Chlorine (Cl)
d)
Argon (Ar)
20.
What is the name of the smallest atom?
(a)
100 %
