Teas 7 Chemistry Exam Study Guide.
Solid to Liquid - answerMelting (absorbs energy)
Liquid to Solid - answerFreezing, (releases energy)
Liquid to Gas - answervaporization/absorbs energy
Gast to Liquid - answercondensation/ release energy
Gas to Solid - answerdeposition/ release energy
Solid t...
Solid to Liquid - answer✔✔Melting (absorbs energy)
Liquid to Solid - answer✔✔Freezing, (releases energy)
Liquid to Gas - answer✔✔vaporization/absorbs energy
Gast to Liquid - answer✔✔condensation/ release energy
Gas to Solid - answer✔✔deposition/ release energy
Solid to Gas - answer✔✔sublimation
Matter - answer✔✔Anything that takes up space
Mass - answer✔✔the amount of matter in an object
How Does Matter Change? - answer✔✔Matter usually changes state when you add or take away
heat, which changes the temperature of the matter
Substance - answer✔✔A single kind of matter that is pure and has a specific set of properties.
examples of substances - answer✔✔1. Water
2. Alcohol
3. Oil
4. Food coloring
Solids - answer✔✔The particles in solids are tightly packed
Liquids - answer✔✔Liquids are also a condensed phase, however, in contrast to solids, the
particles have some translational kinetic energy, which means they have freedom to move
gas phase - answer✔✔the phase of matter in which atoms or molecules can move essentially
independently of one another
Which state(s) of matter take the shape of their container? - answer✔✔Liquids and gases take
the shape of their containers since, they do not have definite shape and volume. Only solids have
definite shape and volume.
SOLIDS - answer✔✔have the least volume
LIQUIDS - answer✔✔have a definite volume
GASES - answer✔✔have maximum volume
Which of the following is correct?
(a) Solids have a definite shape and definite volume.
(b) Liquids have a definite volume but no definite shape.
(c) Gases have a definite volume but no definite shape.
(d) Liquids have both definite shape and definite volume. - answer✔✔(a) Solids have definite
shape and definite volume.
(b) Liquids have definite volume but no definite shape.
Which state of matter has atoms that move freely? - answer✔✔Gas
Which state of matter has atoms that can slide past each other? - answer✔✔Liquid
Which state of matter has atoms that vibrate in place? - answer✔✔Solid
Solute - answer✔✔A substance that is dissolved in a solution.
Solvent - answer✔✔the substance in which the solute dissolves
Solution - answer✔✔A homogeneous mixture of two or more substances
Osmosis - answer✔✔Diffusion of water through a selectively permeable membrane
Diffusion - answer✔✔Movement of molecules from an area of higher concentration to an area of
lower concentration.
Osmosis - answer✔✔Diffusion of water through a selectively permeable membrane
Atom - answer✔✔The smallest component and the most basic part of matter that still retains its
identity
Atomic structure - answer✔✔Atoms have a nucleus and electrons. Its nucleus contains protons
and neutrons
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