CHEMISTRY 1151 ACS EXAM
QUESTIONS AND ANSWERS 100% PASS
Solids
atomic/molecular motion?
atomic/molecular spacing?
shape?
volume?
compressibility? - ANS oscillation/vibration about a fixed point
close together
definite
definite
incompressible
liquids
atomic/molecular motion?
atomic/molecular spacing?
shape?
volume?
compressibility? - ANS free to move relative to one another
close together
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, indefinite
definite
incompressible
gases
atomic/molecular motion?
atomic/molecular spacing?
shape?
volume?
compressibility? - ANS free to move relative to one another
far apart
indefinite
indefinite
compressible
physical properties - ANS properties of a substance shows by itself without interacting with
another substance
(color, melting point, boiling point, density, shape, physical state, amount)
chemical properties - ANS properties a substance shows as it interacts with or transforms
into other substances (flammability, corrosiveness, toxicity, poisonous)
SI base units
mass?
length?
time?
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS 100% PASS
Solids
atomic/molecular motion?
atomic/molecular spacing?
shape?
volume?
compressibility? - ANS oscillation/vibration about a fixed point
close together
definite
definite
incompressible
liquids
atomic/molecular motion?
atomic/molecular spacing?
shape?
volume?
compressibility? - ANS free to move relative to one another
close together
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, indefinite
definite
incompressible
gases
atomic/molecular motion?
atomic/molecular spacing?
shape?
volume?
compressibility? - ANS free to move relative to one another
far apart
indefinite
indefinite
compressible
physical properties - ANS properties of a substance shows by itself without interacting with
another substance
(color, melting point, boiling point, density, shape, physical state, amount)
chemical properties - ANS properties a substance shows as it interacts with or transforms
into other substances (flammability, corrosiveness, toxicity, poisonous)
SI base units
mass?
length?
time?
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.