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WorksheetsElectrons in Atoms
Total questions: 24
Worksheet time: 12mins
The ways in which electrons are arranged around the nucleus of atoms are called
Sublevels
E- configuration
Waves
Spectrum
The ______ describes the sequence in which orbitals are filled. The various orbitals within a sublevel of a principle energy level are always of ______ energy.
Afbau principle, equal
Atomic orbitals, equal
Energy levels, Afbau Principle
Electrons, spectrum
The _______ principle states that a maximum of only ______ electrons can occupy each orbital.
Electron configuration, 2
Light, 3
Pauli exclusion, 2
Atomic orbitals, 1
To occupy the same orbital, two electrons must have ______ spins.
Opposite
2 electrons
Waves
Equal
Hund's rule states that the electrons pair up only after each orbital in a sublevel is occupied by
An electron
An atom
Wave
Light
When using the shorthand method for showing the electron configuration of an atom, ______ are used to indicate the number of _______ occupying each sublevel
Quantum, spectrums
Spectrum, superscripts
Energy levels, spectrum
Superscripts, spectrum
Electrons must have a certain minimum amount of energy called a quantum in order to move from one energy level to the next higher energy level
True
False
The election probability clouds for atomic orbitals are spherical in shape.
True
False
The number of sublevels in an energy level is equal to the square of the principal quantum number of that energy level.
True
False
The maximum number of electrons that can occupy the fourth principle energy level 32
True
False
The higher the energy level occupied by an electron the more energetic it is
True
False
The principal quantum number equals the number of sublevels within the principal energy level.
True
False
As many as four electrons can occupy the same orbital
True
False
The Pauli exclusion principle states that an atomic orbital may describe at most two electrons.
True
False
Region in space around the nucleus of an atom where an electron is likely to be moving.
Energy levels
Electron configuration
Quantum
Energy levels
The regions around the nucleus within which the electrons have the highest probability of being found
Waves
Atomic orbitals
Electron configuration
Ground state
Amount of energy required to remove an electron from its present energy level to the next higher one
Hund's rule
Quantum
Pauli exclusion principle
Photons
The modern description of the behavior of electrons in atoms
Electron configuration
Quantum mechanical model
Atomic orbitals
Photons
When electrons occupy orbitals of equal energy, one electron enters each orbital until all the orbitals contain one electron with parallel spins
Quantum
Hund's rule
Photons
Ground state
An atomic orbital may describe at most two electrons
Hund's rule
Pauli exclusion principle
Photons
Quantum mechanical model
Electrons enter orbitals of lowest energy first
Afbau principle
Ground state
Atomic orbitals
Energy levels
The most stable arrangement of electrons around the nucleus of an atom
Energy levels
Electron configuration
Ground state
Atomic orbitals
The lowest energy level for a given electron
Ground state
Atomic orbitals
Quantum
Electron configuration
Light quanta
Photons
Atomic orbitals
Ground state
Quantum
