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Chemistry Test (chapters 7-8)
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Chemistry
11th Grade
02/09/2021

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Term
the high point of a wave
Definition
crest
Term
the low point of a wave
Definition
trough
Term
distance between two points on a wave
Definition
wavelength
Term
the strength of a wave
Definition
amplitude
Term
number of complete waves that pass by a point in a given time
Definition
frequency
Term
unit of frequency
Definition
hertz
Term
inversely proportional to the wavelength of light
Definition
frequency
Term
a light wave consist of two vibrating fields acting together to form a single unit called?
Definition
electromagnetic wave
Term
speed of light in a vacuum
Definition
3.00 x 10^8 m/s
Term
the arrangement of all forms of electromagnetic radiation is order of frequency and wavelength
Definition
electromagnetic spectrum
Term
the first to propose that light can be defined as electromagnetic waves traveling as photons
Definition
max plank
Term
theory that states that light consist of tiny packets of energy that have characteristics of particles and waves
Definition
quantum theory of light
Term
tiny packets of energy
Definition
photons
Term
instrument used in a lab to separate the colors and study them in more detail
Definition
spectrometer
Term
spectrum that contains only certain colors
Definition
line spectrum
Term
spectrum that contains a complete array of colors
Definition
continuous spectrum
Term
what did bohr propose as an explanation for what the line in the hydrogen spectrum represent
Definition
electrons jumping energy levels
Term
lowest energy state of an atom
Definition
ground state
Term
any energy state of an electron above ground state
Definition
excited state
Term
louis de broglie proposed that electrons can behave as a wave and particle, what did he call these waves
Definition
matter waves
Term
principle that states it is impossible to simultaneously know the momentum and position of an electron inside an atom
Definition
uncertainty principle
Term
complete arrangement of electrons in an atom
Definition
electron configuration
Term
what does electron configuration determine about an atom
Definition
how the atom bonds with other atoms
Term
first quantum number
Definition
principle quantum number
Term
what the principle quantum number represents
Definition
shell or energy level
Term
second quantum number
Definition
sub shell quantum number
Term
what the sub shell quantum number represents
Definition
shape
Term
third quantum number
Definition
magnetic quantum number
Term
what the magnetic quantum number represents
Definition
orbital orientation
Term
fourth quantum number
Definition
spin quantum number
Term
what the fourth quantum number represents
Definition
spin
Term
principle that states no two electrons have the same 4 quantum numbers
Definition
Pauli exclusion principle
Term
principle that states electron shells fills from bottom to top
Definition
Aufbau principle
Term
rule that states electron shells fill evenly
Definition
Hund's rule
Term
the outermost electrons
Definition
valance electrons
Term
the term for the dots around an element to show the number of valence electrons
Definition
Lewis symbol
Term
proposed ordering elements by the law of triads
Definition
Johann Dobereiner
Term
type of classification John Newlands proposed
Definition
law of octaves
Term
developed the periodic table of elements
Definition
Dmitri Mendeleev
Term
group (up and down)
Definition
column
Term
row (left to right
Definition
period
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