CHEM 103 FINAL EXAM LATEST
UPDATE THIS YEAR
oxidation number - ANSWER --the superscript indicating the charge on an
ion
ion - ANSWER --atom with either positive or negative charge
Lewis Structures - ANSWER --represents the transfer or the sharing of
electrons in chemical bonds
octet rule - ANSWER --EVERY ATOM WANTS 8 ELECTRONS IN THEIR
OUTERSHELL
ionic bonding - ANSWER --chemical bond formed through the transfer of
one or more electrons from one atom or group of atoms to another group
EX : NaBr
metals - ANSWER --give
nonmetals - ANSWER --take
,binary compound - ANSWER --compounds in which 2 elements are present ,
metal and non metal - nonmetal changes to ide
ionization energy - ANSWER --energy required to remove the most loosley
held electron from outer shell ; up and to the right
polyatomic molecule - ANSWER --nonmetals that form one ion
covalent bond - ANSWER --sharing of electrons
EX : CO2
polyatomic ions - ANSWER --Ag silver ion
Fe 2+ ferrous ion
Fe 3+ ferric ion
Cu 1+ cuprous ion
Cu 2+ cupric ion
binary molecule - ANSWER --1st word : prefix and full name
2nd word : prefix and stem and ide
mono - ANSWER --1
,di - ANSWER --2
tri - ANSWER --3
tetra - ANSWER --4
penta - ANSWER --5
hexa - ANSWER --6
hepta - ANSWER --7
octa - ANSWER --8
ennea - ANSWER --9
deca - ANSWER --10
C2H3O2 - ANSWER --acetate with -1 superscript
, HCO3 - ANSWER --bicarbonate with -1 superscript
CO3 - ANSWER --carbonate with -2 superscript
SO3 - ANSWER --sulfite with -2 superscript
SO4 - ANSWER --sulfate with -2 superscript
PO4 - ANSWER --phosphate with -3 superscript
CN 1 - ANSWER --cyanide
molar mass - ANSWER --sum of all atomic masses in a compound
moles conversion - ANSWER --division
( mass )
over
( atomic mass )
grams conversion - ANSWER --multiplication
(moles) ( atomic mass )
UPDATE THIS YEAR
oxidation number - ANSWER --the superscript indicating the charge on an
ion
ion - ANSWER --atom with either positive or negative charge
Lewis Structures - ANSWER --represents the transfer or the sharing of
electrons in chemical bonds
octet rule - ANSWER --EVERY ATOM WANTS 8 ELECTRONS IN THEIR
OUTERSHELL
ionic bonding - ANSWER --chemical bond formed through the transfer of
one or more electrons from one atom or group of atoms to another group
EX : NaBr
metals - ANSWER --give
nonmetals - ANSWER --take
,binary compound - ANSWER --compounds in which 2 elements are present ,
metal and non metal - nonmetal changes to ide
ionization energy - ANSWER --energy required to remove the most loosley
held electron from outer shell ; up and to the right
polyatomic molecule - ANSWER --nonmetals that form one ion
covalent bond - ANSWER --sharing of electrons
EX : CO2
polyatomic ions - ANSWER --Ag silver ion
Fe 2+ ferrous ion
Fe 3+ ferric ion
Cu 1+ cuprous ion
Cu 2+ cupric ion
binary molecule - ANSWER --1st word : prefix and full name
2nd word : prefix and stem and ide
mono - ANSWER --1
,di - ANSWER --2
tri - ANSWER --3
tetra - ANSWER --4
penta - ANSWER --5
hexa - ANSWER --6
hepta - ANSWER --7
octa - ANSWER --8
ennea - ANSWER --9
deca - ANSWER --10
C2H3O2 - ANSWER --acetate with -1 superscript
, HCO3 - ANSWER --bicarbonate with -1 superscript
CO3 - ANSWER --carbonate with -2 superscript
SO3 - ANSWER --sulfite with -2 superscript
SO4 - ANSWER --sulfate with -2 superscript
PO4 - ANSWER --phosphate with -3 superscript
CN 1 - ANSWER --cyanide
molar mass - ANSWER --sum of all atomic masses in a compound
moles conversion - ANSWER --division
( mass )
over
( atomic mass )
grams conversion - ANSWER --multiplication
(moles) ( atomic mass )
