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Study sets matching "chemistry electrons"

25 terms
Chemistry electrons
Electron arrangement
energy level
sublevel
atomic orbital
electrons are organized into the following ... 1) energy level…
indicates the energy content of the electron is indicated by…
describes the shape of the path the electron follows around t…
describes an electrons position within an energy level
Electron arrangement
electrons are organized into the following ... 1) energy level…
energy level
indicates the energy content of the electron is indicated by…
42 terms
Electrons Chemistry
A quantum leap is when
Quantum energy is
Define Photon
Another name for compression wave?
An electron gets excited and jumps to a higher energy level
Absorbed energy from heat/electricity
Packets of energy that we see as visible light
Longitudinal
A quantum leap is when
An electron gets excited and jumps to a higher energy level
Quantum energy is
Absorbed energy from heat/electricity
28 terms
Chemistry Electrons in Atoms Vocabulary
electromagnetic radiation
wavelength
frequency
amplitude
a form of energy exhibiting wavelike behavior as it travels t…
the shortest difference between equivalent points on a contin…
the number of waves that pass a given point per second
the height of a wave from the origin to a crest, or from the…
electromagnetic radiation
a form of energy exhibiting wavelike behavior as it travels t…
wavelength
the shortest difference between equivalent points on a contin…
9 terms
Chemistry- Electrons
the Bohr model
atomic orbitals
Electron configuration
energy levels
electrons dropping from higher energy atomic orbitals to lowe…
-electrons occupy three-dimensional regions of space, four ty…
-the arrangement of e- in an atom... - three rules; the aufbau p…
how far away the energy level where the electron travels is f…
the Bohr model
electrons dropping from higher energy atomic orbitals to lowe…
atomic orbitals
-electrons occupy three-dimensional regions of space, four ty…
Chemistry - Electrons
'Aufbau Law
Hunds Law
Photon
Ground State
states that each electron occupies the lowest energy orbital…
electrons occupy equal energy orbitals so as to maximize the…
is a particle of electromagnetic radiation having no mass and…
the lowest energy state of an atom
'Aufbau Law
states that each electron occupies the lowest energy orbital…
Hunds Law
electrons occupy equal energy orbitals so as to maximize the…
26 terms
Chemistry: Electrons
Electrons
Metals
Non-Metals
Bohr, Neils
subatomic particle that plays a vital role in the formation o…
giver (ionic bonding)
receiver (ionic bonding)
Bohr's Model of the Atom
Electrons
subatomic particle that plays a vital role in the formation o…
Metals
giver (ionic bonding)
38 terms
Chemistry Electrons
Planetary Model
Ground State
Excited State
What was the problem with Bohr's model?
Developed by Niehls Bohr in 1913,, electrons can circle the n…
an atom at the lowest energy state
an atom having more energy
Ut did not explain the light frequencies recorded from atoms…
Planetary Model
Developed by Niehls Bohr in 1913,, electrons can circle the n…
Ground State
an atom at the lowest energy state
43 terms
Chemistry: Electrons
orbitals
valence electrons
kernel electrons
electron configuration
regions of high probability of finding the electrons
the electrons located in the highest occupied principle energ…
all of the electrons that are not valence
last number of valance electrons and shows how many electrons…
orbitals
regions of high probability of finding the electrons
valence electrons
the electrons located in the highest occupied principle energ…
29 terms
Chemistry electrons
What mathematically describes the wave…
A three dimensional region around the…
The distance between two successive pe…
When an atom in an excited state emits…
Quantum Theory
Orbital
Wavelength
The difference between excited and final states
What mathematically describes the wave…
Quantum Theory
A three dimensional region around the…
Orbital
21 terms
Chemistry Chapter 5 Electrons in atoms
radiation
electromagnetic radiation
wavelength
frequency
Energy that is radiated or transmitted in the form of rays or…
a form of energy that exhibits wavelike behavior as it travel…
Horizontal distance between the crests or between the troughs…
How many wave peaks pass a certain point per given time
radiation
Energy that is radiated or transmitted in the form of rays or…
electromagnetic radiation
a form of energy that exhibits wavelike behavior as it travel…
11 terms
Chemistry Electrons
Young
Planck
De Broglie
Heisenburg
came up with a theory that light could be made up of particle…
discovered that light does have tiny particles called photons
Electron Wave Theory: particles (electrons) can exhibit wavel…
The Uncertainty Principle: it is impossible to see the locati…
Young
came up with a theory that light could be made up of particle…
Planck
discovered that light does have tiny particles called photons
9 terms
Chemistry: Electrons
Electron configuration
Periodic Table: Groups
Periodic Table: Periods
Group 1
2,8,8,2
Columns, the amount of electrons in the outer shells
Rows, the amount of electron shells
Alkali metals
Electron configuration
2,8,8,2
Periodic Table: Groups
Columns, the amount of electrons in the outer shells
Chemistry Chapter 5 Electrons in Atoms
electromagnetic radiation
wavelength
frequency
amplitude
a form of energy exhibiting wavelike behavior as it travels t…
the shortest difference between equivalent points on a contin…
the number of waves that pass a given point per second
the height of a wave from the origin to a crest, or from the…
electromagnetic radiation
a form of energy exhibiting wavelike behavior as it travels t…
wavelength
the shortest difference between equivalent points on a contin…
21 terms
Chemistry : Electrons
5.1 Key Concepts
5.2 Key Concepts
5.3 Main Concepts
Energy levels
1. Rutherford's planetary model couldn't explain the chemical…
1. Three rules- Aufbau principle , the Pauli exclusion princi…
1. The wavelength and frequency of light are inversely propor…
The specific energies an electron in an atom or other systems…
5.1 Key Concepts
1. Rutherford's planetary model couldn't explain the chemical…
5.2 Key Concepts
1. Three rules- Aufbau principle , the Pauli exclusion princi…
Chemistry (Electrons)
Pauli
1s
1s*
2p*
This scientist said that electrons will have opposite spin wi…
lowest energy orbital
Only 2
Only 6
Pauli
This scientist said that electrons will have opposite spin wi…
1s
lowest energy orbital
14 terms
Electrons- Chemistry
Orbital
ground state
excited state
bright line spectrum
region of space where electrons are most likely to be found
1) electrons are in the lowest available energy level... 2) the…
1) electrons have gained energy and moved to outer levels... 2)…
when an electron goes from the excited state to the ground st…
Orbital
region of space where electrons are most likely to be found
ground state
1) electrons are in the lowest available energy level... 2) the…
32 terms
Chemistry electrons
Acetate
Chlorate
Chlorite
Cyanide
C2H3O2 (CH3COO) -1
ClO3 -1
ClO2 -1
CN -1
Acetate
C2H3O2 (CH3COO) -1
Chlorate
ClO3 -1
27 terms
Chemistry Electrons
Electromagnetic Radiation
Frequency (v)
Wavelength (Upside down y)
As the frequency of light increases, t…
form of energy that exhibits wavelike behavior as it travels…
number of waves that pass a particular point in time ... Hz= num…
distance between peaks of waves (meters or nanometers) ... 1 nm…
Relationship between frequency and wavelength
Electromagnetic Radiation
form of energy that exhibits wavelike behavior as it travels…
Frequency (v)
number of waves that pass a particular point in time ... Hz= num…
9 terms
Chemistry-Electrons
Aufbau Principle
Pauli Exclusion Principle
Hund's Rule
Cr
electrons will occupy the lowest energy orbital possible
2 electrons occupying the same orbital will spin in opposite…
orbitals of equal energy are each occupied by 1 electron befo…
1s2 2s2 2p6 3s2 3p6 4s1 3d5
Aufbau Principle
electrons will occupy the lowest energy orbital possible
Pauli Exclusion Principle
2 electrons occupying the same orbital will spin in opposite…
55 terms
Chemistry - Electrons
Principle Quantum Number
n=1 is the lowest energy because
Orbital Quantum Number
The subshells are called
-main energy that an electron occupies
it is closest to the nucleus
-the subshell that the electron occupies
s,p,d,f
Principle Quantum Number
-main energy that an electron occupies
n=1 is the lowest energy because
it is closest to the nucleus
24 terms
Electron Chemistry
Electron arrangement
energy level
sublevel
atomic orbital
electrons are organized into the following.... 1) energy level.…
indicates the energy content of the electron. It is indicated…
describes the shape of the path the electron follows around t…
describes an electrons position within an energy level
Electron arrangement
electrons are organized into the following.... 1) energy level.…
energy level
indicates the energy content of the electron. It is indicated…
29 terms
Chemistry Chapter 5 Electrons in Atoms
electromagnetic radiation
wavelength
frequency
amplitude
a form of energy exhibiting wavelike behavior as it travels t…
the shortest difference between equivalent points on a contin…
the number of waves that pass a given point per second
the height of a wave from the origin to a crest, or from the…
electromagnetic radiation
a form of energy exhibiting wavelike behavior as it travels t…
wavelength
the shortest difference between equivalent points on a contin…
31 terms
Chemistry- electrons
All the freguncies or wavelengths of e…
Electromagnetic spectrum waves from hi…
What color is high energy
What color is low energy
Electromagnetic spectrum
Gamma rays, x-rays, ultraviolet rays, visible light, infrared…
Violet
Red
All the freguncies or wavelengths of e…
Electromagnetic spectrum
Electromagnetic spectrum waves from hi…
Gamma rays, x-rays, ultraviolet rays, visible light, infrared…
32 terms
Chemistry Chapter 5: ELECTRONS IN ATOMS
Energy level
Quantum
Quantum Mechanical Model
What does the quantum mechanical model…
the specific energy hat an electron can have.
the amount of energy need to move an electron from one energy…
a mathematical model that describes the behavior of electrons…
The quantum mechanical model describes the allowed energies a…
Energy level
the specific energy hat an electron can have.
Quantum
the amount of energy need to move an electron from one energy…
13 terms
Chemistry electrons
rutherford
created an atomic theory with five maj…
determined the charge an mass of the e…
Preferred experiments with a cathode r…
preformed the foil experiment
dalton
Robert M.
thomson and goldstein
rutherford
preformed the foil experiment
created an atomic theory with five maj…
dalton
24 terms
Chemistry electrons
Atomic orbitals
Valence electrons
1-7
s,p,d,f
Areas where electrons are likely to be found.
Electrons found in the outermost energy level.
Energy levels
Sublevels
Atomic orbitals
Areas where electrons are likely to be found.
Valence electrons
Electrons found in the outermost energy level.
12 terms
chemistry- electrons
sublevel s has
sublevel p has
sublevel d has
sublevel f has
1 orbital and 2 electrons
3 orbitals and 6 electrons
5 orbitals and 10 electrons
7 orbitals and 14 electrons
sublevel s has
1 orbital and 2 electrons
sublevel p has
3 orbitals and 6 electrons
15 terms
Chemistry Electrons
photon
ground state
frequency
wavelength
A particle, which carries a quantum of energy
An atom in this state has every electron in its lowest energy…
the number of waves that pass a given point in a second
the distance between adjacent peaks or points on a wave
photon
A particle, which carries a quantum of energy
ground state
An atom in this state has every electron in its lowest energy…
30 terms
Electrons chemistry
Thomson
Nagaoka
Bohr
Brogile
Discovered the electron
Suggested that an atom had a central nucleus. Electrons move…
Believed that electrons moved in a particular orbit from the…
Believed that electrons have the same properties as waves
Thomson
Discovered the electron
Nagaoka
Suggested that an atom had a central nucleus. Electrons move…
51 terms
Chemistry Electrons
Wave Particle Theory of Light
Quantum Mechanical Model
Orbitals
Electromagnetic Radiation
An explanation of the behavior of electrons
Can tell you the probability of finding an electron
3 dimensional region around the nucleus where an electron can…
Anything that travels in waves.... Waves are energy, not matter
Wave Particle Theory of Light
An explanation of the behavior of electrons
Quantum Mechanical Model
Can tell you the probability of finding an electron
38 terms
chemistry electrons
valence e
core e
transition metal (ions)
diamagnetic
in outermost principal energy level (n value)
complete energy levels
remove e from highest n orbital first
only paired e
valence e
in outermost principal energy level (n value)
core e
complete energy levels
44 terms
Chemistry electrons
There are.... energy levels
Determines how likely it is to locate…
States it is impossible to know accura…
Region around the nucleus where an ele…
7
Quantum mechanical model
Heisenberg
Energy level
There are.... energy levels
7
Determines how likely it is to locate…
Quantum mechanical model
26 terms
Chemistry Electrons
Rutherford's model
Einstein's proposal
electromagnetic radiation particles
two things that make up electrons
it did not explain why electrons did not stick to the positiv…
that electromagnetic radiation (light) behaves both like a wa…
photons
particle and energy
Rutherford's model
it did not explain why electrons did not stick to the positiv…
Einstein's proposal
that electromagnetic radiation (light) behaves both like a wa…
31 terms
Chemistry: Electrons, Atoms and Light
Noble Gasses
Wavelength
Amplitude
Frequency
Eight electrons on the outermost shell; fulfill the octets ru…
Distance from peak to peak.
Height of the peak.
Number of wave peaks that pass in a given time.
Noble Gasses
Eight electrons on the outermost shell; fulfill the octets ru…
Wavelength
Distance from peak to peak.
Chemistry Electrons
Aufbau Principle
Quantum
Continuous Spectrum
Ground State
Electrons occupy lowest energy orbital
Small packet of energy
Continuous range of frequency
lowest energy state
Aufbau Principle
Electrons occupy lowest energy orbital
Quantum
Small packet of energy
17 terms
Chemistry electrons
It is impossible to accurately determi…
Place where electrons are most likely…
Probability is based on...
__________ explains electron position…
Heisenberg Uncertainty Principle
Orbitals
Energy
Quantum number
It is impossible to accurately determi…
Heisenberg Uncertainty Principle
Place where electrons are most likely…
Orbitals
18 terms
Chemistry (Electrons)
Heisenberg Uncertainty Principle
Lewis Dot Diagram
Covalent Chemical Bond
Molecule
You can never know the exact position and speed of an object…
Diagram that shows the bonding between atoms of a molecule an…
A chemical bond that involves the sharing of electron pairs b…
The smallest particle in a chemical element or compound that…
Heisenberg Uncertainty Principle
You can never know the exact position and speed of an object…
Lewis Dot Diagram
Diagram that shows the bonding between atoms of a molecule an…
51 terms
Chemistry electrons
wave length
frequency
what type of relationship does wave le…
reflected light
the length from one crest to another
How many wave peaks pass a certain point per given time
inverse
color of object
wave length
the length from one crest to another
frequency
How many wave peaks pass a certain point per given time
11 terms
ELECTRONS - chemistry
Ground state
Excited State
Electromagnetic Radiation
Photons
The lowest energy state of an atom
A state that has a higher energy than the ground state
energy it gives off When an atom moves from the excited state…
The energy emitted in its form
Ground state
The lowest energy state of an atom
Excited State
A state that has a higher energy than the ground state
25 terms
Chemistry electrons
John Dalton
J.J. Thompson
Rutherford
Neils Bohr
Atoms are solid indivisible mass, spheres
Plum pudding model, negatively charged particles are disperse…
Found protons, electrons surround a dense, positive mass
Planetary model, electrons arranged around nucleous in orbits
John Dalton
Atoms are solid indivisible mass, spheres
J.J. Thompson
Plum pudding model, negatively charged particles are disperse…
23 terms
Chemistry Protons, Electrons & Neutrons
Mass of proton
Mass of neutron
Mass of electron relative to proton.
Charge of proton
1 AMU
1 AMU
Approximately 0 AMU
+1
Mass of proton
1 AMU
Mass of neutron
1 AMU
22 terms
Chemistry-Electrons
Waves
wavelength
frequency
wave speed
carrier of energy
length of one complete wave (tells color)
number of waves that pass a point during a time period
rate at which light moves in m/s = wavelength * frequency
Waves
carrier of energy
wavelength
length of one complete wave (tells color)
15 terms
chemistry electrons
aufbau principle
hunds rule
pauli exclusion principle
continous spectrum
1. electrons are placed in the lowest energetically available…
1. every orbital is singly occupied before doubly ... 2. all of…
1. every electron must have an opposite spin
blended
aufbau principle
1. electrons are placed in the lowest energetically available…
hunds rule
1. every orbital is singly occupied before doubly ... 2. all of…
8 terms
Chemistry - Electrons
isotope
Hund's rule
electron configuration
proton
atoms of the same element with different number of neutrons
one electron must be in each orbital before you can add a sec…
the way in which the electrons are arranged around the nucleus
positively charged subatomic particles found in the nucleus o…
isotope
atoms of the same element with different number of neutrons
Hund's rule
one electron must be in each orbital before you can add a sec…
16 terms
Chemistry - Electrons
electromagnetic spectrum
visible light
parts of the wave
wavelength
G, X, U, V, I, M, R... 10^-14 10^-2... shorter W.L. longer W.L.
V, I, B, G, Y, O, R... 400 nm 700nm
wavelength, nodes, amplitudes (volume), trough/valley, crest/…
(m)... wavelength = speed/frequency
electromagnetic spectrum
G, X, U, V, I, M, R... 10^-14 10^-2... shorter W.L. longer W.L.
visible light
V, I, B, G, Y, O, R... 400 nm 700nm
27 terms
chemistry electrons
quantum mechanics
principle
orbital
magnetic
system of calculations used to describe the wavelike behavior…
indicates main energy level en electron is in
indicates orbital an electron is in
indicates orientation of an orbital in the X,Y,Z coordinate s…
quantum mechanics
system of calculations used to describe the wavelike behavior…
principle
indicates main energy level en electron is in
10 terms
Chemistry electrons
Red martians invented very useful xray…
10^9 nm
1MHz
Electrons can be treated like a wave
Radio waves microwaves infrared visible light uv rays xrays g…
1m
10^6Hz
De Broglie
Red martians invented very useful xray…
Radio waves microwaves infrared visible light uv rays xrays g…
10^9 nm
1m
40 terms
Chemistry: Electrons
Neils Bohr
order of electromagnetic radiation
radio waves have ______________ wavele…
gamma rays have ______________ wavelen…
- uncovered problems with planetary model... - electrons give of…
1. radio... 2. radar... 3. microwaves... 4. infrared... 5. visible... 6. ult…
-long... - low
-short... - high
Neils Bohr
- uncovered problems with planetary model... - electrons give of…
order of electromagnetic radiation
1. radio... 2. radar... 3. microwaves... 4. infrared... 5. visible... 6. ult…
105 terms
chemistry: electrons
light, a form of electromagnetic radia…
all waves are defined by their
in a vacuum, all electromagnetic waves…
all electromagnetic waves have
a wave and a particle
wavelengths, frequencies, amplitudes, and speeds; c=λν
the speed of light
both wave and particle properties
light, a form of electromagnetic radia…
a wave and a particle
all waves are defined by their
wavelengths, frequencies, amplitudes, and speeds; c=λν
34 terms
Chemistry - Electrons
electron configuration
energy level 1
energy level 2
energy level 3
how the electrons are distributed in an atom
2
8
18
electron configuration
how the electrons are distributed in an atom
energy level 1
2
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