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Chemistry Abeka test 5

Terms in this set (50)

Chemical thermodynamics
What branch of chemistry studies energy changes in chemical reactions?
group
Give the term for a column of elements.
period
Give the term for a row of elements.
left
On which side of the period table are the metals found?
Main group elements
WHere are most common chemical reactions found?
photons
individual "packets" or quanta of light energy
strength
What can the amplitude of a wave be considered a measure of?
hertz
wave frequency usually measured in _______________________
electromagnetic wave and photons
Light consist of both ____________________ and _____________________
increase
When a light wave decreases and the frequency __________________
Dmitri Mendeleev
developed the periodic table
8
the maximum number of valence electrons in an atom
the lines in the hydrogen spectrum
photos emitted as electrons drop from higher to lower energy levels
alkaline earth metals
elements in this category usually exit as 2+ ions
orbital orientation
the magnetic quantum number describes ____________
Alkali
column 1 elements are_________________________________
elements in 1,2,and 13-18
main group elements
electron shell
What doe the principal quantum number describe?
alkaline earth
column 2 elements
halogens
column17 elements
ground state
lowest energy state of an atom
noble gases
elements in column 18
halogen
iodine is a
3
valance electrons in boron
transitional metals
vanadium, platinum, and gold
lab instrument used by astronomers to study element make up of stars
spectrometer
electron affinity
nonmetals
nitrogen, oxygen, chlorine and krypton
argon
rarely undergoes chemical reactions
BeBr2
formula for bromide of beryllium
calcium and magnesium
are not alkali metals
know
the electron configuration of
tin
has 4 valance electrons
quantum theory of light
light as a tiny "packets" of energy that have characteristics of both particles and waves
LiOH
Lithium and water produce
line spectrum
forms when an element is vaporized and heated in a flame
crest
the highest point of a wave
electromagnetic spectrum
the arrangement of all forms of electromagnetic radiation in order of frequency and wave lenght
the complete range of electromagnetic waves placed in order of increasing frequency
know
the significant figures, the speed of light in a vacuum
troughs
the low point of waves
frequency
the number of complete waves that pass by a point in a given time
halogens
salt formers
group
elements in the same column of the periodic table
wavelenght
distance between two corresponding pointson a successive waves
quantum theory of light
know
Hund's rule
know
aufbau principle
know
Pauli exclusion principle
know
periodic law
know
uncertainty principle
know
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