WorksheetsElectron Configurations and Orbital Diagrams
Total questions: 25
Worksheet time: 25mins
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
zinc
copper
nickel
germanium
The electron configuration of an atom is 1s22s22p6. How many electrons does this atom have?
Which of these is the electron configuration for Cl-?
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p7
1s2 2s2 2p6 3s2 3p4
What is incorrect about this orbital diagram?
Both arrows in the 2p box should be pointing up.
There is nothing incorrect with this diagram.
There should only be 1 arrow in the first 2p box and one in the 2nd 2p box.
All the arrows should be pointing up.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
Hund’s rule
aufbau principle
Pauli Exclusion principle
quantum rule
What is the short-hand electron configuration for sulfur?
[Ar] 3p4
[He] 3s2 3p4
[Ne] 3s2 3p4
[Na] 3s2 3p4
What is the short hand configuration for silicon?
[Ar]2s22p2
[Ne]2s22p2
[Ne]3s23p2
[Ne]3s23p4
What is the short hand configuration for iodine?
[Ar]4s23d6
[Ne]4s23d6
[Kr]5s24d105p5
[Kr]4s24d104p5
With what neutral atom is Ag+ isoelectronic?
Cd
Pd
Xe
Kr
How many electrons does iron have in the 3rd energy level?
2
6
8
14
The principle quantum number tells us
the orbital shape.
the energy level.
the spin of the electron.
the orientation of the orbital.
The 2nd quantum number tells us
the orbital shape.
the energy level.
the spin of the electron.
the orientation of the orbital.
The 3rd quantum number tells us
the orbital shape.
the energy level.
the spin of the electron.
the orientation of the orbital.
The s orbital has _____ orientation(s).
1
3
5
7
The p orbital has _____ orientation(s).
1
3
5
7
Each orientation of an orbital can hold ___ electrons maximum.
1
2
3
4
How many electrons does O2- have?
6
8
10
16
How many electrons does a neutral chlorine atom have?
17
18
35
No way to tell
Which orbital shows a violation of the Pauli exclusion principle?
Which guideline is violated in the following orbital diagram?
Aufbau
Pauli Exclusion
