CHEM 103 FINAL EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025
Lewis Structures - CORRECT-ANSWERS******represents the transfer or the sharing of electrons
in chemical bonds
octet rule - CORRECT-ANSWERS******EVERY ATOM WANTS 8 ELECTRONS IN THEIR
OUTERSHELL
ionic bonding - CORRECT-ANSWERS******chemical bond formed through the transfer of one
or more electrons from one atom or group of atoms to another group
EX : NaBr
metals - CORRECT-ANSWERS******give
nonmetals - CORRECT-ANSWERS******take
oxidation number - CORRECT-ANSWERS******the superscript indicating the charge on an ion
ion - CORRECT-ANSWERS******atom with either positive or negative charge
,binary compound - CORRECT-ANSWERS******compounds in which 2 elements are present ,
metal and non metal - nonmetal changes to ide
ionization energy - CORRECT-ANSWERS******energy required to remove the most loosley held
electron from outer shell ; up and to the right
polyatomic molecule - CORRECT-ANSWERS******nonmetals that form one ion
covalent bond - CORRECT-ANSWERS******sharing of electrons
EX : CO2
polyatomic ions - CORRECT-ANSWERS******Ag silver ion
Fe 2+ ferrous ion
Fe 3+ ferric ion
Cu 1+ cuprous ion
Cu 2+ cupric ion
binary molecule - CORRECT-ANSWERS******1st word : prefix and full name
2nd word : prefix and stem and ide
mono - CORRECT-ANSWERS******1
,di - CORRECT-ANSWERS******2
tri - CORRECT-ANSWERS******3
tetra - CORRECT-ANSWERS******4
penta - CORRECT-ANSWERS******5
hexa - CORRECT-ANSWERS******6
hepta - CORRECT-ANSWERS******7
octa - CORRECT-ANSWERS******8
ennea - CORRECT-ANSWERS******9
deca - CORRECT-ANSWERS******10
bonding electrons - CORRECT-ANSWERS******pairs of valence electrons that are shared
between pairs
non bonding electrons - CORRECT-ANSWERS******lone pairs that
, are not involved in electron sharing
Linus Pauling - CORRECT-ANSWERS******Nobel prize Chemist
electronegativity - CORRECT-ANSWERS******measure of atoms attraction for electrons it
shares with another atom in a chemical bond
electronegativity increases - CORRECT-ANSWERS******left to right
electronegativity decreases - CORRECT-ANSWERS******top to bottom
repulsion - CORRECT-ANSWERS******gives molecule shape, describes distance b/w bonding
and non bonding pairs of electrons
molecular geometry - CORRECT-ANSWERS******3 dimensional arrangement of atom within a
molecule
VSEPR - CORRECT-ANSWERS******valence shell electron pair repulsion theory - set of
procedures for predicting a 3 dimensional geometry molecule
NH4 - CORRECT-ANSWERS******ammonium with 1 superscript
OH 1 - CORRECT-ANSWERS******hydroxide
CORRECT QUESTIONS AND ANSWERS
2025
Lewis Structures - CORRECT-ANSWERS******represents the transfer or the sharing of electrons
in chemical bonds
octet rule - CORRECT-ANSWERS******EVERY ATOM WANTS 8 ELECTRONS IN THEIR
OUTERSHELL
ionic bonding - CORRECT-ANSWERS******chemical bond formed through the transfer of one
or more electrons from one atom or group of atoms to another group
EX : NaBr
metals - CORRECT-ANSWERS******give
nonmetals - CORRECT-ANSWERS******take
oxidation number - CORRECT-ANSWERS******the superscript indicating the charge on an ion
ion - CORRECT-ANSWERS******atom with either positive or negative charge
,binary compound - CORRECT-ANSWERS******compounds in which 2 elements are present ,
metal and non metal - nonmetal changes to ide
ionization energy - CORRECT-ANSWERS******energy required to remove the most loosley held
electron from outer shell ; up and to the right
polyatomic molecule - CORRECT-ANSWERS******nonmetals that form one ion
covalent bond - CORRECT-ANSWERS******sharing of electrons
EX : CO2
polyatomic ions - CORRECT-ANSWERS******Ag silver ion
Fe 2+ ferrous ion
Fe 3+ ferric ion
Cu 1+ cuprous ion
Cu 2+ cupric ion
binary molecule - CORRECT-ANSWERS******1st word : prefix and full name
2nd word : prefix and stem and ide
mono - CORRECT-ANSWERS******1
,di - CORRECT-ANSWERS******2
tri - CORRECT-ANSWERS******3
tetra - CORRECT-ANSWERS******4
penta - CORRECT-ANSWERS******5
hexa - CORRECT-ANSWERS******6
hepta - CORRECT-ANSWERS******7
octa - CORRECT-ANSWERS******8
ennea - CORRECT-ANSWERS******9
deca - CORRECT-ANSWERS******10
bonding electrons - CORRECT-ANSWERS******pairs of valence electrons that are shared
between pairs
non bonding electrons - CORRECT-ANSWERS******lone pairs that
, are not involved in electron sharing
Linus Pauling - CORRECT-ANSWERS******Nobel prize Chemist
electronegativity - CORRECT-ANSWERS******measure of atoms attraction for electrons it
shares with another atom in a chemical bond
electronegativity increases - CORRECT-ANSWERS******left to right
electronegativity decreases - CORRECT-ANSWERS******top to bottom
repulsion - CORRECT-ANSWERS******gives molecule shape, describes distance b/w bonding
and non bonding pairs of electrons
molecular geometry - CORRECT-ANSWERS******3 dimensional arrangement of atom within a
molecule
VSEPR - CORRECT-ANSWERS******valence shell electron pair repulsion theory - set of
procedures for predicting a 3 dimensional geometry molecule
NH4 - CORRECT-ANSWERS******ammonium with 1 superscript
OH 1 - CORRECT-ANSWERS******hydroxide
