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Chemistry Abeka test 5
Terms in this set (50)
What branch of chemistry studies energy changes in chemical reactions?
Give the term for a column of elements.
Give the term for a row of elements.
On which side of the period table are the metals found?
Main group elements
WHere are most common chemical reactions found?
individual "packets" or quanta of light energy
What can the amplitude of a wave be considered a measure of?
wave frequency usually measured in _______________________
electromagnetic wave and photons
Light consist of both ____________________ and _____________________
When a light wave decreases and the frequency __________________
developed the periodic table
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
the magnetic quantum number describes ____________
column 1 elements are_________________________________
elements in 1,2,and 13-18
main group elements
What doe the principal quantum number describe?
column 2 elements
lowest energy state of an atom
elements in column 18
iodine is a
valance electrons in boron
vanadium, platinum, and gold
lab instrument used by astronomers to study element make up of stars
nitrogen, oxygen, chlorine and krypton
rarely undergoes chemical reactions
formula for bromide of beryllium
calcium and magnesium
are not alkali metals
the electron configuration of
has 4 valance electrons
quantum theory of light
light as a tiny "packets" of energy that have characteristics of both particles and waves
Lithium and water produce
forms when an element is vaporized and heated in a flame
the highest point of a wave
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
the significant figures, the speed of light in a vacuum
the low point of waves
the number of complete waves that pass by a point in a given time
elements in the same column of the periodic table
distance between two corresponding pointson a successive waves
quantum theory of light
Pauli exclusion principle
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