3/27/26, 8:55 AM IB Chemistry SL EXAM, comprehensive questions and verified answers QUESTIONS WITH ACCURATE ANSWERS | GET IT RIG…
IB Chemistry SL EXAM, comprehensive questions
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Terms in this set (213)
relative atomic mass (Ar) weighted mean of all the naturally occurring
isotopes of the element (g/mol)
relative molar mass (Mr) sum of Ar (no units)
mole 6.02x10^-23
Empirical Formula shows the simplest whole number ratio of atoms of
each element in a particular substance
Molecular Formula shows the actual number of atoms of each element
in a particular molecule or substance
Structural formula shows the arrangement of atoms and bonds within
a molecule
stoichiometry the fixed relationship between the reactants and
products of the reaction
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state symbols: (s), (l), (g), (aq) shows the physical state of reactants and products:
solid, liquid, gas, aqueous
symbol for reactions where both the
reactants and the products are
present in an equilibrium mixture
molar ratio given by the coefficients, it is the ratio of the
amounts of reactants and products
density mass/volume (g/cm^3)
solute dissolved substance
solution a transparent, homogenous mixture; solute+solvent
concentration amount of solute in a known volume of solvent
(mol/dm^3)
ideal gas equation PV=nRT
n symbol for number of moles
R the gas constant= 8.314 J/K mol
Electromagnetic radiation Includes visible light, radio waves, IR, ultraviolet
Electromagnetic spectrum Spectrum of wavelengths that comprise the various
types of electromagnetic radiation.
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Continuous spectrum Spectrum that shows all wavelengths of the section
of the spectrum used (eg visible or UV, or ...)
line spectrum a spectrum showing only certain discrete
wavelengths
Photon A particle of electromagnetic radiation with no
mass that carries a quantum of energy
ideal gas an imaginary or perfect subtance whose particles
are infinitely small and do not interact with each
other
Avogadro's law equal volumes of different gasses at the same
temperature and pressure contain the same
number of moles
Atom economy A measure of the amount of starting materials that
end up as useful products
(mass of desired product/mass of total
product)*100=%
nucleon collective term for protons and neutrons
A symbol for mass number
atomic number equal to the number of protons in the nucleus (and
to the number of electrons if atom (neutral))
mass number # of protons + # neutrons
A-Z= number of neutrons
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IB Chemistry SL EXAM, comprehensive questions
and verified answers QUESTIONS WITH
ACCURATE ANSWERS | GET IT RIGHT |2025\2026!
Save
Terms in this set (213)
relative atomic mass (Ar) weighted mean of all the naturally occurring
isotopes of the element (g/mol)
relative molar mass (Mr) sum of Ar (no units)
mole 6.02x10^-23
Empirical Formula shows the simplest whole number ratio of atoms of
each element in a particular substance
Molecular Formula shows the actual number of atoms of each element
in a particular molecule or substance
Structural formula shows the arrangement of atoms and bonds within
a molecule
stoichiometry the fixed relationship between the reactants and
products of the reaction
https://quizlet.com/1161074888/ib-chemistry-sl-exam-comprehensive-questions-and-verified-answers-questions-with-accurate-answers-get-it-right-20… 1/22
,3/27/26, 8:56 AM IB Chemistry SL EXAM, comprehensive questions and verified answers QUESTIONS WITH ACCURATE ANSWERS | GET IT RIG…
state symbols: (s), (l), (g), (aq) shows the physical state of reactants and products:
solid, liquid, gas, aqueous
symbol for reactions where both the
reactants and the products are
present in an equilibrium mixture
molar ratio given by the coefficients, it is the ratio of the
amounts of reactants and products
density mass/volume (g/cm^3)
solute dissolved substance
solution a transparent, homogenous mixture; solute+solvent
concentration amount of solute in a known volume of solvent
(mol/dm^3)
ideal gas equation PV=nRT
n symbol for number of moles
R the gas constant= 8.314 J/K mol
Electromagnetic radiation Includes visible light, radio waves, IR, ultraviolet
Electromagnetic spectrum Spectrum of wavelengths that comprise the various
types of electromagnetic radiation.
https://quizlet.com/1161074888/ib-chemistry-sl-exam-comprehensive-questions-and-verified-answers-questions-with-accurate-answers-get-it-right-20… 2/22
, 3/27/26, 8:56 AM IB Chemistry SL EXAM, comprehensive questions and verified answers QUESTIONS WITH ACCURATE ANSWERS | GET IT RIG…
Continuous spectrum Spectrum that shows all wavelengths of the section
of the spectrum used (eg visible or UV, or ...)
line spectrum a spectrum showing only certain discrete
wavelengths
Photon A particle of electromagnetic radiation with no
mass that carries a quantum of energy
ideal gas an imaginary or perfect subtance whose particles
are infinitely small and do not interact with each
other
Avogadro's law equal volumes of different gasses at the same
temperature and pressure contain the same
number of moles
Atom economy A measure of the amount of starting materials that
end up as useful products
(mass of desired product/mass of total
product)*100=%
nucleon collective term for protons and neutrons
A symbol for mass number
atomic number equal to the number of protons in the nucleus (and
to the number of electrons if atom (neutral))
mass number # of protons + # neutrons
A-Z= number of neutrons
https://quizlet.com/1161074888/ib-chemistry-sl-exam-comprehensive-questions-and-verified-answers-questions-with-accurate-answers-get-it-right-20… 3/22
