CHEM 120 ACTUAL TEST PAPER FULL QUESTIONS AND ACCURATE ANSWERS GRADED APLUS.pdf

CHEM 120 ACTUAL TEST PAPER FULL
QUESTIONS AND ACCURATE ANSWERS
GRADED APLUS

●● molecular compounds
Answer: -share electrons
-nonmetals
-no polyatomic ions unless its an acid


●● Type I metals
Answer: -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
Answer: -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
Answer: -prefix+name of 1st nonmetal+prefix+name of second
nonmetal
-no mono for first nonmetals


●● Acids
Answer: -are molecular compounds but behave like ionic compounds
when put in water
-dissolved in water(aqueous)
-binary or oxy acids


●● Binary acids
Answer: -hydro+base name of second nonmetal+ic+acid
-hydro means no oxygen present