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Principles of Biology, 2e, (Brooker)
Chapter 2 The Chemical Basis of Life I: Atoms, Molecules, and Water
1) The atomic number of an atom is
A) the number of protons in the atom.
B) the number of neutrons in the atom.
C) the number of protons and electrons in the atom.
D) the number of protons and neutrons in the atom.
E) None of these choices are correct.
Answer: A
Bloom's: 1. Remember
Topic: Atoms
Learning Outcome: 02.01.01 Describe the general structure of atoms.
Section: 02.01
Gradable: automatic
2) The smallest functional unit and associated structures of a living organism are
A) atoms and their protons, neutrons, and electrons.
B) molecules and their atoms, bonds, and electrons.
C) proteins and amino acids.
D) cells with nucleus, mitochondria, and ER.
E) water made of hydrogen and oxygen.
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Answer: A
Bloom's: 1. Remember
Topic: Atoms
Learning Outcome: 02.01.01 Describe the general structure of atoms.
Section: 02.01
Gradable: automatic
3) With an atomic mass of 16 and an atomic number of 8, it follows that oxygen
A) has eight electrons.
B) has 16 neutrons.
C) can readily form bonds with 2 other atoms.
D) weighs 16 grams.
Answer: A, C
Bloom's: 2. Understand
Topic: Atoms
Learning Outcome: 02.01.03 Relate atomic structure to the periodic table of the elements.
Section: 02.01
Gradable: automatic
1
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4) The nucleus of an atom is composed of
A) protons.
B) neutrons.
C) electrons.
D) protons and neutrons.
E) protons and electrons.
Answer: D
Bloom's: 1. Remember
Topic: Atoms
Learning Outcome: 02.01.01 Describe the general structure of atoms.
Section: 02.01
Gradable: automatic
5) The first, innermost energy shell of an atom
A) can have a maximum of 8 electrons.
B) can have a maximum of 2 electrons.
C) is called the 2p orbital.
D) is called the 1s orbital and can have a maximum of 8 electrons.
E) is called the 2p orbital and can have a maximum of 2 electrons.
Answer: B
Bloom's: 1. Remember
Topic: Atoms NURSINGTB.COM
Learning Outcome: 02.01.02 Define orbital and electron shell.
Section: 02.01
Gradable: automatic
6) Tritiated hydrogen (3H) differs from hydrogen (1H) in that
A) 3H has 2 more protons than 1H.
B) 3H has 2 more electrons than 1H.
C) 3H has 2 more neutrons than 1H.
D) 3H has the same number of neutrons as 1H.
E) 3H has a different electron configuration than 1H.
Answer: C
Bloom's: 2. Understand
Topic: Atoms
Learning Outcome: 02.01.05 Explain how a single element may exist in two or more forms,
called isotopes.
Section: 02.01
Gradable: automatic
2
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EDITION BY
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PRINCIPLES OF BIOLOGY 2ND EDITION BROOKER
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EDITION Study Material
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Principles of Biology, 2e, (Brooker)
Chapter 2 The Chemical Basis of Life I: Atoms, Molecules, and Water
1) The atomic number of an atom is
A) the number of protons in the atom.
B) the number of neutrons in the atom.
C) the number of protons and electrons in the atom.
D) the number of protons and neutrons in the atom.
E) None of these choices are correct.
Answer: A
Bloom's: 1. Remember
Topic: Atoms
Learning Outcome: 02.01.01 Describe the general structure of atoms.
Section: 02.01
Gradable: automatic
2) The smallest functional unit and associated structures of a living organism are
A) atoms and their protons, neutrons, and electrons.
B) molecules and their atoms, bonds, and electrons.
C) proteins and amino acids.
D) cells with nucleus, mitochondria, and ER.
E) water made of hydrogen and oxygen.
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Answer: A
Bloom's: 1. Remember
Topic: Atoms
Learning Outcome: 02.01.01 Describe the general structure of atoms.
Section: 02.01
Gradable: automatic
3) With an atomic mass of 16 and an atomic number of 8, it follows that oxygen
A) has eight electrons.
B) has 16 neutrons.
C) can readily form bonds with 2 other atoms.
D) weighs 16 grams.
Answer: A, C
Bloom's: 2. Understand
Topic: Atoms
Learning Outcome: 02.01.03 Relate atomic structure to the periodic table of the elements.
Section: 02.01
Gradable: automatic
1
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4) The nucleus of an atom is composed of
A) protons.
B) neutrons.
C) electrons.
D) protons and neutrons.
E) protons and electrons.
Answer: D
Bloom's: 1. Remember
Topic: Atoms
Learning Outcome: 02.01.01 Describe the general structure of atoms.
Section: 02.01
Gradable: automatic
5) The first, innermost energy shell of an atom
A) can have a maximum of 8 electrons.
B) can have a maximum of 2 electrons.
C) is called the 2p orbital.
D) is called the 1s orbital and can have a maximum of 8 electrons.
E) is called the 2p orbital and can have a maximum of 2 electrons.
Answer: B
Bloom's: 1. Remember
Topic: Atoms NURSINGTB.COM
Learning Outcome: 02.01.02 Define orbital and electron shell.
Section: 02.01
Gradable: automatic
6) Tritiated hydrogen (3H) differs from hydrogen (1H) in that
A) 3H has 2 more protons than 1H.
B) 3H has 2 more electrons than 1H.
C) 3H has 2 more neutrons than 1H.
D) 3H has the same number of neutrons as 1H.
E) 3H has a different electron configuration than 1H.
Answer: C
Bloom's: 2. Understand
Topic: Atoms
Learning Outcome: 02.01.05 Explain how a single element may exist in two or more forms,
called isotopes.
Section: 02.01
Gradable: automatic
2
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