CHEM 103 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS COMPREHENSIVE STUDY GUIDE.pdf

CHEM 103 UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS
COMPREHENSIVE STUDY GUIDE

●● 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


●● 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


●● 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