WorksheetsQuantum Numbers and Electron Distribution
Total questions: 15
Worksheet time: 13mins
The shape of the orbital the electron is in.
The energy level the electron is in.
How many orientations can the s orbital have?
1
3
5
7
An orbital in the second energy level (n = 2) can hold up to how many electrons?
2
18
8
32
The word aufbau came from the German word aufbeen, which means "build up." Which of the following describes the Aufbau Principle?
electrons with the same spin cannot occupy the same orbital.
since electrons repel each other, electrons will occupy single orbitals within an energy level before doubling up
electrons fill lower energy levels first before occupying higher energy levels.
electrons must have oppposite spins
If the principal quantum number n is 4, what are the possible values for the azimuthal quantum number l?
l = 0, 1, 2, 3
l = 0, 1, 2
l = 0, 1, 2, 3, 4
l = 3
What is the principal quantum number for an electron in the 5s orbital?
5
4
3
1
Which among the following quantum numbers is invalid?
n=3
l=2
ml=3
ms= +1/2
Which among the following quantum numbers is invalid?
n = 0
l = 1
ml = -1
ms = -1/2
Which of the following electron configuration is an example of diamagnetic atom?
1s2 2s2 2p4
1s2 2s2 2p6 3s1
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2 3p6 4s2 3d9
Which of the following explains the Pauli Exclusion Principle?
An atomic orbital can only hold a maximum of two electrons, each with opposite spins.
An atomic orbital can hold a maximum of 6 electrons each with the same spin.
An atomic orbital can only hold a minimum of two electrons each with opposite spins.
An atomic orbital can hold a maximum of 6 electrons, each with opposite spins.
Which of the following electron configurations is an example of a paramagnetic atom?
1s2
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2 3p6 4s2
1s2 2s2 2p6 3s2 3p6 4s2 3d9
Which of the following is the correct electron configuration of an oxygen atom?
1s2 2s1 2p3
1s2 2s2 2p4
1s2 2s2 2p6
1s2 2s2 3p4
