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CHEM 103 FINAL EXAM 293 very
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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
oxidation number - ANSWER the superscript indicating the charge on an ion
ion - ANSWER atom with either positive or negative charge
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
,CHEM 103 FINAL EXAM 293 very
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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
,CHEM 103 FINAL EXAM 293 very
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octa - ANSWER 8
ennea - ANSWER 9
deca - ANSWER 10
bonding electrons - ANSWER pairs of valence electrons that are shared between pairs
non bonding electrons - ANSWER lone pairs that
are not involved in electron sharing
Linus Pauling - ANSWER Nobel prize Chemist
electronegativity - ANSWER measure of atoms attraction for electrons it shares with another atom in a
chemical bond
electronegativity increases - ANSWER left to right
electronegativity decreases - ANSWER top to bottom
repulsion - ANSWER gives molecule shape, describes distance b/w bonding and non bonding pairs of
electrons
molecular geometry - ANSWER 3 dimensional arrangement of atom within a molecule
VSEPR - ANSWER valence shell electron pair repulsion theory - set of procedures for predicting a 3
dimensional geometry molecule
, CHEM 103 FINAL EXAM 293 very
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NH4 - ANSWER ammonium with 1 superscript
OH 1 - ANSWER hydroxide
NO2 - ANSWER nitrite with -1 superscript
NO3 - ANSWER nitrate with -1 superscript
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