Chapter 7 - Quantum Theory and the Electronic Structure of Atoms

0.0(0)
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/20

flashcard set

Earn XP

Description and Tags

Chemistry

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

21 Terms

1
New cards
Transition metals
________ either have partially full d subshells or quickly produce cations with partially filled d subshells.
2
New cards
Pauli exclusion principle
The ________ is used to determine electron configurations in many- electron atoms.
3
New cards
lightwave theory
The ________ is a hypothesis that describes how light travels through space.
4
New cards
electron configurations
Except for hydrogen and helium, the ________ of all elements are represented by a noble gas core.
5
New cards
paramagnetic refers
The term "________ to materials that have net unpaired spins and are attracted to a magnet.
6
New cards
Physicists
________ have looked into the properties of emission spectra, or the continuous or line spectra of radiation released by substances.
7
New cards
similar spots
The distance between ________ on successive waves is measured in wavelength.
8
New cards
de Broglie
An electron bound to the nucleus, according to ________, acts as a standing wave.
9
New cards
vertical distance
The ________ between a wave's midline and its peak or trough is called amplitude.
10
New cards
photoelectric effect
The ________ is a process in which electrons are ejected from the surface of certain metals when they are exposed to light with a minimum frequency, known as the threshold frequency.
11
New cards
wave function
The ________ of an electron in an atom is known as an atomic orbital.
12
New cards
Diamagnetic materials
________ have no net unpaired spins and are somewhat repelled by magnets.
13
New cards
Light emission
________ at specific wavelengths is represented by line spectra.
14
New cards
number of waves
The ________ that travel through a specific place in one second is known as the frequency v (nu)
15
New cards
p orbitals
The ________ begin with the primary quantum number n= 2 as should be obvious.
16
New cards
thermal energy
Energizing a sample of the material with ________ or another source of energy can reveal a substance's emission spectrum.
17
New cards
Werner Heisenberg
________ developed the Heisenberg uncertainty principle, which states: It is impossible to know the momentum p and the position of a particle with certainty at the same time.
18
New cards
angular momentum quantum number l
The ________ can only take the value zero if n= 1.
19
New cards
quantum numbers
Three ________ are necessary for quantum mechanics to represent the distribution of electrons in hydrogen and other atoms.
20
New cards
light beam
He proposed that a(n) ________ is a stream of particles.
21
New cards
electromagnetic wave
A(n) ________ has an electric field component and a magnetic field component, according to Maxwell's theory.