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TEAS 7 CHEMISTRY EXAM QUESTIONS WITH COMPLETE ANSWERS
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TEAS 7 CHEMISTRY EXAM QUESTIONS WITH COMPLETE ANSWERS
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TEAS 7 CHEMISTRY EXAM QUESTIONSWITH COMPLETE ANSWERS
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
Nucleus - Answer-The part of the atom that houses the protons and the neutrons
Protons - Answer-positively charged subatomic particles
Neutrons - Answer-the particles of the nucleus that have no charge. they are neutral
and without a positive or negative electrical charge; the part of the atom that gives the
atom its isotope identity.
Electrons - Answer-The part of the atom that has a negative (-) charge
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