WorksheetsBYJUS Chemistry Quiz: Electron Distribution in Orbits
Total questions: 10
Worksheet time: 5mins
According to Hund's Rule, what must happen if there are two or more degenerate orbitals available?
Electrons can enter the orbitals in any random order
Two electrons must enter each one until they are all full before pairing up
One electron must enter each one until they are all half full before pairing up
One electron must enter each one and then pair up with another electron
What does the Pauli exclusion principle state?
No two electrons in a single atom will have the same set of quantum numbers
Two electrons in a single atom will always have the same set of quantum numbers
Electrons in a single atom can have the same set of quantum numbers if they have opposite spins
Electrons in a single atom can have the same set of quantum numbers if they have the same spins
According to the Aufbau principle, in what sequence are electrons placed into atomic orbitals?
In ascending sequence of orbital energy
In descending sequence of orbital energy
In any random sequence
In the sequence of the periodic table
What is the maximum stability possessed by every partially filled electron in an orbital of a subshell according to Hund's Rule?
Because every partially filled electron in an orbital of a subshell has the same spin
Because every partially filled electron in an orbital of a subshell has opposite spins
Because every partially filled electron in an orbital of a subshell has the same energy
Because every partially filled electron in an orbital of a subshell has opposite energies
What is the requirement for the two electrons in the same orbital according to the Pauli exclusion principle?
They must have opposite energy levels
They must have opposing spins or be in an antiparallel configuration
They must have the same energy level
They must have the same spin or be in a parallel configuration
What determines the lone pair of electrons in an atom and the valency according to Hund's Rule?
Pauli exclusion principle
Aufbau principle
Hund's Rule
Quantum numbers
What is the sequence of energy levels according to the Aufbau principle?
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 4f, 5d, 6p, 7s, and so on and so on
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 4f, 5d, 6p, 7s, and so on and so forth
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 4f, 5d, 6p, 7s, and so forth
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 4f, 5d, 6p, 7s, and so on
What is explained by the Pauli exclusion principle?
The structure of atoms' electron shells and how they don't pair up electrons
The structure of atoms' electron shells and how they share electrons
The structure of atoms' electron shells and how they don't share electrons
The structure of atoms' electron shells and how they pair up electrons
What is the requirement for the electrons in a single atom according to the Pauli exclusion principle?
Each electron should have or exist in the same state
Each electron should have or exist in a paired state
Each electron should have or exist in its own unique state (singlet state)
Each electron should have or exist in a random state
What is the requirement for the electrons in a single atom according to the Pauli exclusion principle?
Each electron should have or exist in its own unique state (singlet state)
Each electron should have or exist in the same state
Each electron should have or exist in a random state
Each electron should have or exist in a paired state
