Quiz 3 Flashcards
octet rule
atoms gain, lose, or share valence electrons in order to end up with eight valence electrons
octet rule
atoms gain, lose, or share valence electrons in order to end up with eight valence electrons
covalent bonds
shared pair of valence electrons
pure substance
contains one element or compound
mixture
combination of multiple pure substances
cations
positively charged ion
anion
negatively charged ion
polyatomic ion
ion built from two or more atoms
non polar bonds
c-c, c-h, c-s
carbonate
CO3^2-
bicarbonate
HCO3^-
cyanide
CN^-
phosphate
PO4^3-
hydroxide
OH^-
nitrate
NO3^-
sulfate
SO4^2-
peroxide
O2^2-
ion-dipole
attractions between ions and polar bonds
dipole-dipole
attraction between two polar molecules
hydrogen bonds
attraction of an N,O, or F atom to an H that is covalently bonded to another N, O, or F atom
london forces
all molecules have them
vapor pressure
goes up when imfs go down and bp goes down
viscosity
resistance to flow
melting point
as strength of imfs increases, melting point increases
