CHEM 120 UNIT 8 FINAL EXAM STUDY GUIDE 2026 TESTED QUESTIONS ANSWERS GRADED A+

CHEM 120 UNIT 8 FINAL EXAM STUDY GUIDE
2026 TESTED QUESTIONS ANSWERS GRADED
A+

◉ acid. Answer: molecular compound made by combining H+ ions
with a monoatomic or polyatomic ion


◉ naming. Answer: -If the anion name ends in "-ite," the acid name
ends in "-ous"
-If the anion name ends in "-ate," the acid name ends in "-ic"


◉ mole. Answer: the number of atoms represented by atomic mass
of an element


◉ molar mass. Answer: the atomic mass of the element expressed in
grams


◉ formula weight. Answer: mass of one molecule of formula unit of a
compound (in amu)


◉ mole ratio. Answer: relationship between the number of moles of
an element and a mole of the compound containing it

, ◉ empirical formula. Answer: simplest whole-number ratio of atoms
in a compound


◉ law of conservation of mass. Answer: mass can neither be created
nor destroyed


◉ types of chemical equations. Answer: 1. combustion
2. combination
3. decomposition
4. single replacement
5. double replacement


◉ combustion. Answer: reaction with O2


◉ combination. Answer: the formation of a single compound by
combining 2 or more elements or simpler compounds


◉ decomposition. Answer: when a single compound splits into 2 or
more elements or simpler compounds


◉ single replacement. Answer: one metal + one ionic compound as
reactants