WorksheetsELECTRONIC CONFIGURATION PART 1
Total questions: 6
Worksheet time: 11mins
Electron configuration of copper atom is 1s2 2s2 2p6 3s2 3p6 3d10 4s1. Determine the number of electron in copper atom at its ground state if the azimuthal quantum number, l, is 0.
7
8
10
12
Which of the following represents an electron in 3d orbital?
n = 3, l = 0, m = 0, s = ± ½
n = 3, l = 2, m = -3, s = + ½
n = 3, l = 1, m = +1, s = + ½
n = 3, l = 2, m = +2, s = ± ½
The electronic configuration of sulphur, S is shown below;
16S : 1s2 2s2 2p6 3s2 3p4
Which of the following sets of quantum numbers represents one (1) of the electron in the highest energy level of sulphur?
(3, 0, 0, -1/2)
(3, 1, 0, -1/2)
(2, 0, 0, -1/2)
(2, 1, 0, -1/2)
Electron configuration of Scandium is 1s2 2s2 2p6 3s2 3p6 4s2 3d1. The order of electron removal in the formation of Sc3+ is
A
B
C
D
Which of the following does not obey Pauli Exclusion Principle?
A
B
C
D
“In a given set of orbitals of equivalent energy (degenerate orbitals), electrons tend to occupy the orbitals singly first before pairing up.” This statement describes
Aufbau Principle
Pauli Exclusion Principle
Hund’s Rule
Heisenberg Uncertainty Principle
