Chapter 2 – The Chemistry of Life

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Topic 1 Topic 2 Topic 3 Topic 4 Topic 5

FINAL ROUND

Topic 1:

$100 Question

Question: The space surrounding the nucleus of an atom contains

a. protons

b. neutrons

c. electrons

d. ionsBACK TO GAME

ANSWER

Topic 1:

$100 Answer

Question: The space surrounding the nucleus of an atom contains

a. protons

b. neutrons

c. electrons

d. ionsBACK TO GAME

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

BACK TO GAME

ANSWER

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. 11BACK TO GAME

ANSWER

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. 11BACK TO GAME

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 neutronsBACK TO GAME

ANSWER

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.BACK TO GAME

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. 48BACK TO GAME

ANSWER

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. 48BACK TO GAME

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 BACK TO GAME

ANSWER

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 BACK TO GAME

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.

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ANSWER

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

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ANSWER

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. crystalBACK TO GAME

ANSWER

Topic 2:

$400 Answer

Question: Which term does NOT apply to sodium chloride?

a. molecule

b. compound

c. Ionic bonding

d. crystalBACK TO GAME

Topic 2:

$500 Question

Question: What type of electron is available to form bonds?

a. nucleus

b. ionic

c. valence

d. covalentBACK TO GAME

ANSWER

Topic 2:

$500 Answer

Question: What type of electron is available to form bonds?

a. nucleus

b. ionic

c. valence

d. covalentBACK TO GAME

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.BACK TO GAME

ANSWER

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 aboveBACK TO GAME

ANSWER

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 aboveBACK 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.

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ANSWER

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.

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ANSWER

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.

BACK TO GAME

ANSWER

Topic 3:

$500 Answer

Question: In chemical reactions, atoms are

a. created.

b. destroyed.

c. rearranged.

d. neutralized.

BACK TO GAME

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.

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ANSWER

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.

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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.

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ANSWER

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.

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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. BACK TO GAME

ANSWER

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.

BACK TO GAME

ANSWER

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.BACK TO GAME

ANSWER

Topic 4:

$500 Answer

Question: If you stir salt into boiling water, water is the

a. reactant.

b. solvent.

c. solute.

d. solution.BACK TO GAME

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.BACK TO GAME

ANSWER

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.BACK TO GAME

ANSWER

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

d. 4.40 BACK TO GAME

ANSWER

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.

BACK TO GAME

ANSWER

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.

d. Help to fight disease. BACK TO GAME

ANSWER

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

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ANSWER

FINAL ROUND Answer

Question:

a. Choice 1

b. Choice 2

c. Choice 3 (correct answer)

d. Choice 4

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