CHEM 120 FINAL EXAM WITH CORRECT QUESTIONS AND ANSWERS 2025

CHEM 120 FINAL EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025


ionic compounds - CORRECT-ANSWERS-deals with charged particles


-oppositely charged particles are attracted to each other


-look for presence of metals and polyatomic ions




molecular compounds - CORRECT-ANSWERS-share electrons


-nonmetals


-no polyatomic ions unless its an acid




Type I metals - CORRECT-ANSWERS-ionic compounds


-group 1A,2A,3A


-one type of charge state


-Name of metal +ion


-if metal+nonmetal:

, name of metal+base name of nonmetal +ide


-if metal+polyatomic ion:


name of metal+name of polyatomic ion




Type II metals - CORRECT-ANSWERS-ionic compounds


-charge states vary


-Name of metal+it's charge as a roman numeral+ion


-if metal+nonmetal:


name of metal+its charge as a roman numeral+base name of nonmetal+ide


-if metal+polyatomic ion:


name of metal+its charge as a roman numeral+name of polyatomic ion




Molecular compounds: nonmetal+nonmetal - CORRECT-ANSWERS-prefix+name of 1st


nonmetal+prefix+name of second nonmetal


-no mono for first nonmetals