Chemistry Chapter 5 Flashcards

The fixed energies an electron can have are called energy levels.

A modern description of electrons in atoms derived from the solutions to the Schrodinger equation.

<p>It describes the probability of finding an electron at various locations around the nucleus.</p> Signup and view all the answers

<p>He proposed that an electron is found only in specific circular paths or orbits around the nucleus.</p> Signup and view all the answers

<p>It determines the allowed energies an electron can have and the probability of finding an electron in various locations.</p> Signup and view all the answers

<p>Each energy sub level corresponds to one or more orbitals of different shapes.</p> Signup and view all the answers

<p>The arrangement of electrons in various orbitals around the nuclei of atoms.</p> Signup and view all the answers

<p>Electrons occupy the orbitals of lowest energy first.</p> Signup and view all the answers

<p>An atomic orbital may describe at most two electrons.</p> Signup and view all the answers

<p>Spin is a quantum mechanical property of electrons, indicating their direction of rotation.</p> Signup and view all the answers

<p>Electrons occupy orbitals of the same energy to maximize the number of electrons with the same spin direction.</p> Signup and view all the answers

<p>s:2, p:6, d:10, f:14.</p> Signup and view all the answers

<p>They are represented in a diagonal order starting from 1s to 7p.</p> Signup and view all the answers

<p>Amplitude is the wave's height from zero to the crest.</p> Signup and view all the answers

<p>Wavelength is represented by λ and is the distance between the crests of waves.</p> Signup and view all the answers

<p>Frequency is represented by ν and is the number of wave cycles to pass a given point per unit of time.</p> Signup and view all the answers

<p>Units of frequency equal to cycles per second.</p> Signup and view all the answers

<p>Radio waves, microwaves, infrared waves, visible light, ultraviolet waves, x-rays, and gamma rays.</p> Signup and view all the answers

<p>It separates into a spectrum of colors.</p> Signup and view all the answers

<p>The wavelengths of spectral lines characteristic of the element.</p> Signup and view all the answers

<p>Planck's constant is a value of 6.626 x $10^{-34}$.</p> Signup and view all the answers

<p>Electrons are ejected when light shines on a metal.</p> Signup and view all the answers

<p>Light quanta.</p> Signup and view all the answers

<p>When the electron has the lowest possible energy.</p> Signup and view all the answers

<p>It states that it is impossible to know both the velocity and the position of a particle simultaneously.</p> Signup and view all the answers

<p>Their electrons move to higher energy levels.</p> Signup and view all the answers

<p>Einstein proposed that light could be described as quanta of energy behaving like particles.</p> Signup and view all the answers

<p>The light emitted has a frequency directly proportional to the energy change of the electron.</p> Signup and view all the answers

<p>Classical mechanics describes the motion of large bodies, while quantum mechanics describes subatomic particles and atoms as waves.</p> Signup and view all the answers