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anaphy 2
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Created by
Angeline Soriano
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Cards (87)
What is
matter
?
Anything that occupies
space
and has
mass
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What is
mass
?
The amount of
matter
in an object
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What is
weight
?
The
gravitational force
acting on an
object
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What are
elements
?
Simple forms of
matter
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Give examples of
elements
.
C
,
H
,
O
,
N
,
Ca
,
K
,
Na
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What is an
atom
?
The smallest particle of an
element
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What
subatomic particles
are found in an atom?
Protons
,
electrons
, and
neutrons
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What is the charge of
protons
?
Positive charge
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Where are
protons
located?
Inside the
nucleus
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What is the charge of
neutrons
?
No charge
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Where are
neutrons
located?
Inside the
nucleus
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What is the
charge
of
electrons
?
Negative
charge
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Where are
electrons
located?
Outside the
nucleus
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What is atomic number?
The number of protons in each atom
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What is
mass number
?
The number of
protons
and
neutrons
in each atom
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What occurs during
chemical bonds
?
Outer
electrons
are transferred or shared between
atoms
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What are the types of
chemical bonds
?
Ionic
Covalent
Hydrogen
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What is an
ion
?
A charged
atom
formed by the donation or gain of
electrons
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Give an example of an
ion
.
Na<sup>+</sup>
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What is
ionic bonding
?
Attraction between two
oppositely charged
ions
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Give an example of
ionic bonding
.
NaCl
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What occurs during
covalent bonding
?
Atoms
share one or more pairs of
electrons
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Give an example of a
covalent bond
.
Hydrogen
molecule
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What is a
polar covalent bond
?
A bond with unequal sharing of
electrons
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Give an example of a
polar covalent bond
.
H2O
(water)
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What is a
polar molecule
?
A molecule with an
asymmetrical
electrical charge
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What is a
nonpolar
molecule
?
A molecule with a
symmetrical
electrical
charge
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What is
hydrogen bonding
?
A weak attraction between the
positive
end of one polar molecule and the
negative
end of another
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How does the strength of
hydrogen bonds
compare to
ionic
or
covalent
bonds?
Hydrogen bonds are
weaker
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What is a
molecule
?
Two or more
atoms
chemically
combined
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Give an example of a
molecule
.
Water
(
H2O
)
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What is a
compound
?
A
chemical
combination of two or more different types of
atoms
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Give an example of a
compound
.
NaCl
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What occurs during
chemical reactions
?
Formation or breaking of
chemical bonds
between
atoms
, ions,
molecules
, or
compounds
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What are
reactants
?
Substances that enter into a
reaction
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What are
products
?
Substances that result from a
reaction
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What does the
equation
A + B → C + D represent?
A
chemical reaction
where A and B are
reactants
and C and D are
products
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What are the types of
chemical reactions
?
Synthesis Reaction
: Builds new molecules (e.g.,
ADP
+ P =
ATP
)
Decomposition Reaction
: Breaks down molecules (e.g., ATP → ADP + P)
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What are
changing reactions
?
Combination of
synthesis
and
decomposition
reactions
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Give an example of a
changing reaction
.
AB
+
CD
→
AC
+
BD
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