Name ____________________________
Period _____ Table _____
Vocabulary: REACTIONS, WATER, SOLUTIONS
Describe atoms
Use the Periodic Table
Describe chemical reactions
Tell the difference between chemical and
physical changes
Write the term
Ion
Write a definition
An electrically charged atom created when
an atom loses or gains one or more
electrons.
Ionic bond
A bond formed when an atom donates one
or more electrons to another atom.
Covalent bond
A covalent bond is formed when atoms
share electrons.
Physical Change
A change in form, without a change in
chemical composition; shape, size, appearance
Apply your information.
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or phase, may alter, but its chemical composition
remains same. No new substance is formed. It is
usually a change, which is reversible
Chemical
Reaction
Chemical changes are changes in which
new substances are formed.
Precipitate
A solid that emerges from a liquid solution
Polar molecule
A molecule that contains covalent bonds,
and has a charge that is slightly positive at
one end, and slightly negative at another.
Hydrogen bond
A bond between the positive end of one
polar molecule and the negative end of
another.
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Cohesion
Adhesion
Sticking together. In science cohesion is
the force between particles of a substance
that makes them stick together.
From Latin
co=together; haerēre =to stick
Sticking to. In science, a force that makes
2 unlike bodies stick together.
From Latin haerēre =to stick
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Meniscus
the convex or concave surface of a column
of liquid, the curvature of which is caused
by surface tension.
Capillary Action
The force which causes the flow of a liquid
into a narrow tube or porous material.
Caused by. adhesion and cohesion
Dehydrated food
food with the fluids removed
Condensed food
Food with PART of the fluids removed,
providing a thicker Made more dense,
thick
Solution
A homogenous mixture in which one
substance is dissolved in another
Solute
The substance that is dissolved in a
solution
Solvent
The substance that dissolves another to
form a solution
Homogeneous
The same in every part of a sample.
(Solutions are homogeneous.)
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Osmosis
The movement of fluid across a
semipermeable cell membrane so there is
an equal concentration of solute on both
sides of the membrane.
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Related:
cohesive
group,
argument, etc.
Adhesive tape—
adhere to rules,
adherent
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Word origins
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( Greek: hydor
(water)) and the
Latin prefix de(indicating
deprivation,
removal,separation
Ex: condensed
soup, frozen
orange juice
concentrate