WorksheetsPre-SAT 2
Total questions: 45
Worksheet time: 48mins
This shape is that of a...
s orbital
d orbital
p orbital
f orbital
If n = 1, what are the allowed values of l ? Tick all that apply:
0
1
2
3
If n = 2, what are the allowed values of l ? Tick all that apply:
0
1
2
3
If n = 4, what are the allowed values of l ? Tick all that apply:
0
1
2
3
For l = 0, tick the possible values of m:
-2
-1
0
1
2
For l = 1, tick the possible values of m:
-2
-1
0
1
2
For l = 2, tick the possible values of m:
-2
-1
0
1
2
The spin of an electron is represented by this variable:
n
m
l
s
What are the possible values of spin quantum numbers, s?
-1
-1/2
0
1/2
1
What does the 1 in "1s" stand for?
energy level
s orbitals
p orbitals
the number of electrons
What is the orbital designation when n = 4, l = 3 ?
4f
4d
3s
3p
What is the correct representation for an orbital which has n = 4 and l = 2?
4d
4s
4f
4p
What is the correct representation for an orbital which has n = 3 and l = 1?
3s
3p
3d
3f
Which of the following sets of quantum numbers (n, l, m, and s) describes the valence electron of 4s1?
(n, l, m, s) = (2, 0, 0, +1/2)
(n, l, m, s) = (2, 1, 0, +1/2)
(n, l, m, s) = (4, 0, 0, +1/2)
(n, l, m, s) = (4, 1, 1, +1/2)
Which of the following sets of quantum numbers (n, l, m, and s) describes the electron 3p1 ?
3, 1, 0, - 1/2
3, 1, -1, -1
1, 2, -1, -1/2
1, 3, -1, -1/2
n = 2
l = 2
m = 0
s = +1/2
Which of the following is the correct orbital designation?
2p1
2p2
2s2
No correct answer
Which of the following sets of quantum numbers (n, l, m, and s) describes the valence electron of Na?
(n, l, m, s) = (2, 1, 0, -½)
(n, l, m, s) = (2, 0, 0, -½)
(n, l, m, s) = (3, 1, 1, +½)
(n, l, m, s) = (3, 0, 0, +½)
Which of the following is NOT a possible pair of quantum numbers?
2p
2d
4p
4f
Which set of quantum numbers is NOT allowed?
(n, l, m, s) = (3,1,1,-1/2)
(n, l, m, s) = (2,1,-2,+1/2)
(n, l, m, s) = (4,2,-1,-1/2)
How many orbitals contain the value n=5 l=1?
1
3
5
7
9
The principal quantum number, n, represents the:
Spin value
Suborbital value
Energy level
Magnetic value
A principal quantum number with a value of n=3 would contain s, p, d, and f orbitals.
True
False
The maximum number of electrons allowed in the fourth energy level is
2
4
8
18
32
Electrons occupy orbitals of lowest energy first is part of what electronic configuration rule?
Aufbau's Principle
Hund's Rule
Pauli Exclusion Principle
Which guideline, is violated in the following orbital diagrams?
Hund's Rule
Aufbau's Principle
Pauli's Exclusion Principle
Mg, Ca, Sr and Ba are Group 2 elements because...
They have same physical properties.
They are alkali metals.
They have two valence electrons.
Choose the correct electronic configuration for sulphur.
[Ar of S = 16)
S: 1s2 2s2 2p6 3s2 3p2
S: 1s2 2s2 2p6 3s2 3p4
Element Y has a valence electronic configuration of ns2 np5
In which block is Y in?
s-block
p-block
d-block
A column of the periodic table is a ________.
group
period
range
A row on the periodic table is a _______.
group
period
range
Identify GROUP, PERIOD and BLOCK for an element with electronic configuration:
1s22s22p63s23p6
GROUP :6
PERIOD : 3
BLOCK : p
GROUP :8
PERIOD : 3
BLOCK : p
GROUP :16
PERIOD : 3
BLOCK : p
GROUP :18
PERIOD : 3
BLOCK : p
Which element has an oxidation number -2
1s22s22p2
1s22s22p4
1s22s2
1s22s22p63s2
Why 6C and 8O located in the same period?
Both have the same number of valence electron.
Both have the same highest principle quantum number.
Both come from the same block.
Both are non-metal element.
Element: X
Group:4
Period: 4
Propose an electronic configuration for element X.
X: 1s22s22p63s23p63d104s24p4
X: 1s22s22p63s23p63d44s2
X: 1s22s22p63s23p63d24s2
X: 1s22s22p63s23p63d104s24p2
What is valence electron?
Electron(s) in the second electron shell.
Electron(s) in the outermost electron shell.
The atomic number.
An electron in the innermost electron shell.
The electronic configuration of the four elements are shown below:
P: 1s2 2s2 2p6 3s2 3p6 4s2
Q: 1s2 2s2 2p6 3s2 3p2
R: 1s2 2s2 2p6 3s2 3p4
S: 1s2 2s2 2p6 3s2 3p6 4s2 3d4
Which of the elements belong to group 14
P
Q
R
S
The electronic configuration of element Q is shown below:
Q: 1s2 2s2 2p6 3s2 3p6 3d10 4s2
Which of the following statements is of Q?
It is s-block element.
It is Group 2 element.
It has 10 valence electrons.
It is located in Period 4.
This is the electronic configuration of atom L: 1s2 2s2 2p6 3s2 3p6 4s2 3d5. How many valence electrons of atom L?
2
5
7
