Quantum Numbers Flashcards
1
Q
The maximum number of electrons in a principal shell is -
A
2
Q
A
c
3
Q
A
A
4
Q
A
C
5
Q
A
6
Q
How many orbitals can be fit into the orbitals that comprise the 3rd quantum shell n=3
A
18
7
Q
The shape of the orbital is given by-
A
Azimuthal quantum numbers
8
Q
A
B
9
Q
A
B
10
Q
A
C
11
Q
A
Hund’s Rule
12
Q
A
(n + l) rule
13
Q
A
Neon
14
Q
Maximum numbers of electrons in a subshell is given by
A
2(2l + 1)
15
Q
The magnetic quantum number for valency electron of Na is -
A
Zero
16
Q
An electron has a spin quantum numbers +1/2 and magnetic quantum numbers -1. It cannot be represented in
A
s - orbital
17
Q
A
D
18
Q
The number of unpaired electrons in carbon atom is -
A
2
19
Q
A
D
20
Q
A
A
21
Q
A
A
22
Q
A
D
23
Q
Which orbital is dumb-bell shaped?
A
p orbital
24
Q
Which of the following sun-shell can accodomodate as many as 10 electrons
A
3d
25
'No two electrons in an atom have the same set of four quantum numbers'. This principle was
Pauli
26
How many spherical nodes are present in 4s orbital in an atom-
3
27
If elements with principal quantum numbers n > 4 is not allowed, the number of possible elements would be -
60
28
If the values of (n + l) is not >3, then the maximum number of electron in all orbital would be -
12
29
It is not possible to explain pauli's exclusion principle with the help of the atom
H
30
Which element is represented by the following electronic configuration
Fluorine
31
D
32
B
33
D
34
In Ca atoms how many electrons contain m= 0
10
35
In Ne how many electrons contains m = -1
0
36
The number of electrons in Na, having (n + l) = 3
7
37
How many electrons are there in Cu+
6
38
Which orbital represents the following sets of quantum numbers, n=3, l=0,m=0, s=+1/2
3s
39
A
40
The number of orbitals in n=3
9
