Chemistry 1-3

AP chem

protons

isotopes of elements have the same number of:

Neutrons

isotopes of elements have different numbers of:

mass spectroscopy

measures atomic mass of isotopes

chemical

compounds can be separated into elements by ______ changes

physical

mixtures can be separated into components by ____ changes

filtering

separates mixtures based on differences in particle size

distillation

separates mixtures based on differences in boiling point

chromatography

separates mixtures based on differences in polarity

farthest

the component that is most similar in polarity to the “mobile phase” moves

limiting reactant

the amount of product for a reaction is determined by the:

conserved

mass is _____ during both chemical and physical changes

not change

the percent composition by mass for a pure compound does:

percent error

(Experimental-actual[aka theoretical])/actual x 100

percent yield

experimental/actual(theoretical)

H N F O I Cl Br

diatomic elements (listed):