Transcript Notes

Chapter 2 – The Chemistry of Life
Topic 1
Topic 2
Topic 3
Topic 4
Topic 5
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FINAL ROUND
Topic 1:
$100 Question
Question: The space surrounding the
nucleus of an atom contains
a. protons
b. neutrons
c. electrons
d. ions
ANSWER
BACK TO GAME
Topic 1:
$100 Answer
Question: The space surrounding the
nucleus of an atom contains
a. protons
b. neutrons
c. electrons
d. ions
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Topic 1:
$200 Question
Question: Democritus believed that atoms
a. Were composed of electrons
b. Could be divided
c. Could not be divided
d. Were composed of protons
ANSWER
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Topic 1:
$200 Answer
Question: Democritus believed that atoms
a. Were composed of electrons
b. Could be divided
c. Could not be divided
d. Were composed of protons
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Topic 1:
$300 Question
Question: If an atom contains 3 protons, 4
neutrons, and 3 electrons, its mass
number would be
a. 3
b. 4
c. 7
d. 11
ANSWER
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Topic 1:
$300 Answer
Question: If an atom contains 3 protons, 4
neutrons, and 3 electrons, its mass
number would be
a. 3
b. 4
c. 7
d. 11
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Topic 1:
$400 Question
Question: Isotopes are atoms of the same
element with the same number of protons
and
a. A different number of electrons.
b. A different number of molecules.
c. A different number of neutrons.
d. The same number of neutrons
ANSWER
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Topic 1:
$400 Answer
Question: Isotopes are atoms of the same
element with the same number of protons
and
a. A different number of electrons.
b. A different number of molecules.
c. A different number of neutrons.
d. The same number of neutrons.
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Topic 1:
$500 Question
Question: If an atom contains 23 protons
and 25 neutrons, its atomic number is
a. 2
b. 25
c. 23
d. 48
ANSWER
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Topic 1:
$500 Answer
Question: If an atom contains 23 protons
and 25 neutrons, its atomic number is
a. 2
b. 25
c. 23
d. 48
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Topic 2:
$100 Question
Question: Which of the following terms
describes a substance formed by the
combination of two or more elements in
definite proportions?
a. compound
b. isotope
c. nucleus
d. enzyme
ANSWER
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Topic 2:
$100 Answer
Question: Which of the following terms
describes a substance formed by the
combination of two or more elements in
definite proportions?
a. compound
b. isotope
c. nucleus
d. enzyme
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Topic 2:
$200 Question
Question: Which of the following statements about a
compound is true?
a. The physical and chemical properties of a compound are usually
very different from those of the elements from which it is
formed.
b. Only the physical properties of a compound are usually the same
as those of the elements from which it is formed.
c. Only the chemical properties of a compound are usually the same
as the elements from which it is formed.
d. The physical and chemical properties of a compound are usually
the same as those of the elements from which it is formed.
ANSWER
BACK TO GAME
Topic 2:
$200 Answer
Question: Which of the following statements about a
compound is true?
a. The physical and chemical properties of a compound are usually
very different from those of the elements from which it is
formed.
b. Only the physical properties of a compound are usually the same
as those of the elements from which it is formed.
c. Only the chemical properties of a compound are usually the same
as the elements from which it is formed.
d. The physical and chemical properties of a compound are usually
the same as those of the elements from which it is formed.
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Topic 2:
$300 Question
Question: Which of the following makes up
a molecule of water?
a. One atom of hydrogen
b. One atom of sodium and one atom of chlorine
c. One atom of hydrogen and two atoms of oxygen.
d. Two atoms of hydrogen and one atom of
oxygem
ANSWER
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Topic 2:
$300 Answer
Question: Which of the following makes up
a molecule of water?
a. One atom of hydrogen
b. One atom of sodium and one atom of chlorine
c. One atom of hydrogen and two atoms of oxygen.
d. Two atoms of hydrogen and one atom of oxygen
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Topic 2:
$400 Question
Question: Which term does NOT apply to
sodium chloride?
a. molecule
b. compound
c. Ionic bonding
d. crystal
ANSWER
BACK TO GAME
Topic 2:
$400 Answer
Question: Which term does NOT apply to
sodium chloride?
a. molecule
b. compound
c. Ionic bonding
d. crystal
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Topic 2:
$500 Question
Question: What type of electron is
available to form bonds?
a. nucleus
b. ionic
c. valence
d. covalent
ANSWER
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Topic 2:
$500 Answer
Question: What type of electron is
available to form bonds?
a. nucleus
b. ionic
c. valence
d. covalent
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Topic 3:
$100 Question
Question: Chemical reactions that release
energy
a. Will not occur.
b. Will never explode.
c. Will always explode.
d. Often occur spontaneously.
ANSWER
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Topic 3:
$100 Answer
Question: Chemical reactions that release
energy
a. Will not occur.
b. Will never explode.
c. Will always explode.
d. Often occur spontaneously
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Topic 3:
$200 Question
Question: Which of the following is a form
of energy that may be released during a
chemical reaction?
a. heat
b. light
c. sound
d. All of the above
ANSWER
BACK TO GAME
Topic 3:
$200 Answer
Question: Which of the following is a form
of energy that may be released during a
chemical reaction?
a. heat
b. light
c. sound
d. All of the above
BACK TO GAME
Topic 3:
$300 Question
Question: Which of the following
statements about enzymes is NOT true?
a. Enzymes work best at a specific pH.
b. All enzymes have the same shape as their
substrates.
c. Enzymes are proteins.
d. The shape of an enzyme allows it to do its job.
ANSWER
BACK TO GAME
Topic 3:
$300 Answer
Question: Which of the following
statements about enzymes is NOT true?
a. Enzymes work best at a specific pH.
b. All enzymes have the same shape as their
substrates.
c. Enzymes are proteins.
d. The shape of an enzyme allows it to do its job.
BACK TO GAME
Topic 3:
$400 Question
Question: Which of the following
statements is true about catalysts?
a. Catalysts slow down the rate of chemical
reactions.
b. All catalysts are enzymes.
c. Catalysts are used up during a chemical
reaction.
d. Catalysts lower the activation energy of a
chemical reaction.
ANSWER
BACK TO GAME
Topic 3:
$400 Answer
Question: Which of the following
statements is true about catalysts?
a. Catalysts slow down the rate of chemical
reactions.
b. All catalysts are enzymes.
c. Catalysts are used up during a chemical
reaction.
d. Catalysts lower the activation energy of a
chemical reaction.
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Topic 3:
$500 Question
Question: In chemical reactions, atoms are
a. created.
b. destroyed.
c. rearranged.
d. neutralized.
ANSWER
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Topic 3:
$500 Answer
Question: In chemical reactions, atoms are
a. created.
b. destroyed.
c. rearranged.
d. neutralized.
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Topic 4:
$100 Question
Question: Which statement is true?
a. Simple sugars are made of
polysaccharides.
b. Glycerol is made of fatty acids.
c. RNA molecules are made of nucleotides.
d. Amino acids are made of proteins.
ANSWER
BACK TO GAME
Topic 4:
$100 Answer
Question: Which statement is true?
a. Simple sugars are made of
polysaccharides.
b. Glycerol is made of fatty acids.
c. RNA molecules are made of nucleotides.
d. Amino acids are made of proteins.
BACK TO GAME
Topic 4:
$200 Question
Question: Ice floats on water because
a. Of cohesion
b. Water shrinks when it freezes.
c. Water expands when if freezes.
d. Ice has a higher density than water.
ANSWER
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Topic 4:
$200 Answer
Question: Ice floats on water because
a. Of cohesion
b. Water shrinks when it freezes.
c. Water expands when it freezes.
d. Ice has a higher density than water.
BACK TO GAME
Topic 4:
$300 Question
Question: In a water molecule, shared
electrons spend more time around the
oxygen atom than the hydrogen atoms. As
a result, the oxygen atom is
a. Slightly negative.
b. Very negative.
c. Slightly positive.
d. Very positive.
ANSWER
BACK TO GAME
Topic 4:
$300 Answer
Question: In a water molecule, shared
electrons spend more time around the
oxygen atom than the hydrogen atoms. As
a result, the oxygen atom is
a. Slightly negative.
b. Very negative.
c. Slightly positive.
d. Very positive.
BACK TO GAME
Topic 4:
$400 Question
Question: A solution is a(an)
a. Combination of isotopes.
b. Chemical reaction.
c. Evenly distributed mixture of two or
more substances.
d. Combination of two or more liquids.
ANSWER
BACK TO GAME
Topic 4:
$400 Answer
Question: A solution is a(an)
a. Combination of isotopes.
b. Chemical reaction.
c. Evenly distributed mixture of two or
more substances.
d. Combination of two or more liquids.
BACK TO GAME
Topic 4:
$500 Question
Question: If you stir salt into boiling water,
water is the
a. reactant.
b. solvent.
c. solute.
d. solution.
ANSWER
BACK TO GAME
Topic 4:
$500 Answer
Question: If you stir salt into boiling water,
water is the
a. reactant.
b. solvent.
c. solute.
d. solution.
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Topic 5:
$100 Question
Question: When salt is dissolved into
boiling water, you produce a
a. Mixture called a suspension.
b. Mixture called a solution.
c. Solution and suspension
d. Mixture only.
ANSWER
BACK TO GAME
Topic 5:
$100 Answer
Question: When salt is dissolved into
boiling water, you produce a
a. Mixture called a suspension.
b. Mixture called a solution.
c. Solution and suspension
d. Mixture only.
BACK TO GAME
Topic 5:
$200 Question
Question: While preparing a cell culture, a scientist
places a colony of bacteria into distilled water and stirs it
up. This mixture of water and living cells would best be
called a (an)
a. solution.
b. adhesion.
c. buffer.
d. suspension.
ANSWER
BACK TO GAME
Topic 5:
$200 Answer
Question: While preparing a cell culture, a scientist
places a colony of bacteria into distilled water and stirs it
up. This mixture of water and living cells would best be
called a (an)
a. solution.
b. adhesion.
c. buffer.
d. suspension.
BACK TO GAME
Topic 5:
$300 Question
Question: A map of eastern North America, showing the
pH of rainfall in the various states, indicates that the pH
of rain in New York State varies from 4.22 to 4.40.
According to these figures, the most acidic rainfall in
New York State has a pH of
a. 4.22
b. 4.30
c. 4.39
ANSWER
d. 4.40
BACK TO GAME
Topic 5:
$300 Answer
Question: A map of eastern North America, showing the
pH of rainfall in the various states, indicates that the pH
of rain in New York State varies from 4.22 to 4.40.
According to these figures, the most acidic rainfall in
New York State has a pH of
a. 4.22
b. 4.30
c. 4.39
d. 4.40
BACK TO GAME
Topic 5:
$400 Question
Question: Amino acid is to protein as
a. DNA is to RNA.
b. Sugar is to fat.
c. Simple sugar is to starch.
d. Fat is to lipid.
ANSWER
BACK TO GAME
Topic 5:
$400 Answer
Question: Amino acid is to protein as
a. DNA is to RNA.
b. Sugar is to fat.
c. Simple sugar is to starch.
d. Fat is to lipid.
BACK TO GAME
Topic 5:
$500 Question
Question: Which of the following is NOT a
function of proteins?
a. Store and transmit genetic
information.
b. Build tissues such as bone and
muscle.
c. Control the rate of reactions and
regulate cell processes.
ANSWER
d. Help to fight disease.
BACK TO GAME
Topic 5:
$500 Answer
Question: Which of the following is NOT a
function of proteins?
a. Store and transmit genetic
information.
b. Build tissues such as bone and
muscle.
c. Control the rate of reactions and
regulate cell processes.
d. Help to fight disease.
BACK TO GAME
FINAL ROUND Question
Question:
a. Choice 1
b. Choice 2
c. Choice 3
d. Choice 4
ANSWER
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FINAL ROUND Answer
Question:
a. Choice 1
b. Choice 2
c. Choice 3 (correct answer)
d. Choice 4
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