Atom and

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Atom and Eve
My Chemical Reaction Romance
Water you Hoping For?
A total Organic Experience
Enzymes Supposed to Believe that?
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Atoms are composed of these three particles
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Protons, neutrons, and electrons
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Atoms of the same element with the same number
of protons and different number of neutrons are
called this.
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Isotopes
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A bond in which atoms share electrons is called
this
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covalent
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A metal that loses an electron is likely to form
this kind of bond
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Ionic
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Draw a carbon atom with the proper electrons
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The substances that go into a chemical reaction
are called this.
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reactants
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Which number indicates the number of atoms of an
element contained in one molecule?
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subscript
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How many atoms are present in the following
situation?

• 3H2CO3

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18 atoms
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Balance the following equations

• __ CO2 __H20 ? __C6H12O6 __02

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6, 6, 1, 6
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Why must we balance equations?
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To satisfy the Law of Conservation of Matter/Mass
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What makes a water molecule polar?
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The electrons are concentrated on the side of the
oxygen
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This property of water describes the fact that
water molecules bond to other kinds of molecules
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adhesion
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pH measures the concentration of this
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H ions
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What purpose do buffers serve?
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Neutralize strong acids or bases
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How much more or less acidic is lemon juice with
a pH of 2 than sour milk with a pH of 6?
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10,000 times
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Organic refers to molecules containing this
element
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Carbon
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This is a macromolecule containing carbon
hydrogen and oxygen in a 121 ratio
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carbohydrates
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A macromolecule containing a glycerol and three
fatty acids connected by ester bonds
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Lipid
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What level of structure is described by the
polypeptide chain bending or coiling
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Secondary
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The molecule of that carries genetic information
is called this
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Nucleic acid
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Enzymes are what kind of macromolecule?
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Proteins
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The place where a chemical reaction occurs within
an enzyme is called this
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Active site
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The energy necessary for a reaction to get
started is called this
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Activation Energy
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What protein in jello did the pineapple enzyme
break up?
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Collagen
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Draw a monomer of an enzyme
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