ASSESSMENT EXAMS WITH 100%
QUESTIONS AND ANSWERS.
solids
atomic/molecular motion?
atomic/molecular spacing?
shape?
volume?
compressibility? - ✔️✔️oscillation/vibration about a fixed point
close together
definite
definite
incompressible
liquids
atomic/molecular motion?
atomic/molecular spacing?
shape?
volume?
compressibility? - ✔️✔️free to move relative to one another
close together
indefinite
definite
, incompressible
gases
atomic/molecular motion?
atomic/molecular spacing?
shape?
volume?
compressibility? - ✔️✔️free to move relative to one another
far apart
indefinite
indefinite
compressible
physical properties - ✔️✔️properties of a substance shows by itself without
interacting with another substance
(color, melting point, boiling point, density, shape, physical state, amount)
chemical properties - ✔️✔️properties a substance shows as it interacts
with or transforms into other substances (flammability, corrosiveness,
toxicity, poisonous)
SI base units
mass?
length?
time?
temperature?