WorksheetsAEC3323 SEM II 2024/2025 QUIZ 1 (10 APRIL 2025)
Total questions: 15
Worksheet time: 17mins
As you go down a group, the amount of shielding....
Increase
Decrease
Stays the same
I have no idea
The bonding orbital is formed in molecular orbital (MO) due to
Non matching symmetry
Different sign of wave function
Destructive Interference
Constructive Interference
The best RELATIVE ENERGY described for CN is.....
Equal energies
Unequal energies
Very unequal energies
No energies
The ENERGY of the resulting Molecular Orbitals is measured via photoelectron spectroscopy OR estimated with quantum chemical calculations.
YES
NO
Please refer to the circle orbitals and determine the gerade (g) or ungerade (u) symmetry of MO.
1σgand 2πg
1σg and 2πu
1σu and 2πu
1σu and 2πg
Identify the bond order of NF.
5
4
3
2
As you move down a group, the effective nuclear charge....
Stays the same
Decrease
Increase
I hev no idea
Emitted helium nucleus
positron
radioactivity
alpha particle
gamma radiation
In ___ _____reactions, small nuclei combine, producing a large nucleus and releasing large amounts of energy.
nuclear fission
nuclear fusion
Fission reaction
Fusion reaction
Decomposition reaction
Combustion
They have the same number of protons
They have the same number of neutrons
They have the same atomic mass
They have the same atomic weight
An isotope that has an unstable nucleus is called a(n):
(a)
The conversion of an atom of one element to an atom of another element is called (a) .
Calculate the effective nuclear charge (Zeff) experienced by the 2s electrons of the sulfur atom .
4.15
11.85
13.95
14.00
