TEST BANK
TEST BANK
, TEST BANK
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
Section: 02.01
Topic: Atoms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
LO: 02.01.01 Describe the general structure of atoms.
2) The smallest functional units of matter that cannot be further broken down by ordinary
chemical or physical means are
A) atoms.
B) molecules.
C) proteins.
D) shells.
E) bonds.
Answer: A
Section: 02.01
Topic: Atoms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
LO: 02.01.01 Describe the general structure of atoms.
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
Section: 02.01
Topic: Atoms
Bloom's: 2. Understand
Accessibility: Keyboard Navigation
LO: 02.01.05 CoreSKILLS Quantify atomic mass using units such as daltons and moles. 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
Section: 02.01
Topic: Atoms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
LO: 02.01.01 Describe the general structure of atoms.
5) Ernest Rutherford's key experiment on alpha particle bombardment of gold foil was important
to the development of
A) detection methods for protons.
B) alpha particle emitters.
C) gold as an element.
D) the modern model for atomic structure.
E) the concept that atoms have a homogenous distribution of protons throughout the atom.
Answer: D
Section: 02.01
Topic: Atoms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
LO: 02.01.02 CoreSKILLS Interpret the results of an experiment indicating that most of an atom
is empty space.
6) If a scientist were to shoot protons through an atom as Rutherford did with gold foil, he or she
would likely find that
A) most of the protons passed straight through the atom.
2
, B) few of the protons passed straight through the atom.
C) most of the protons deflected or bounced back from the atom.
D) most of the protons were absorbed by the atom.
E) the atom emitted electrons.
Answer: A
Section: 02.01
Topic: Atoms
Bloom's: 2. Understand
Accessibility: Keyboard Navigation
LO: 02.01.02 CoreSKILLS Interpret the results of an experiment indicating that most of an atom
is empty space.
7) 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
Section: 02.01
Topic: Atoms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
LO: 02.01.03 CoreSKILLS Define orbital and electron shell.
8) 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
Section: 02.01
Topic: Atoms
Bloom's: 2. Understand
Accessibility: Keyboard Navigation
LO: 02.01.06 Explain how a single element may exist in two or more forms, called isotopes, and
how certain isotopes have importance in human medicine.
3
TEST BANK
, TEST BANK
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
Section: 02.01
Topic: Atoms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
LO: 02.01.01 Describe the general structure of atoms.
2) The smallest functional units of matter that cannot be further broken down by ordinary
chemical or physical means are
A) atoms.
B) molecules.
C) proteins.
D) shells.
E) bonds.
Answer: A
Section: 02.01
Topic: Atoms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
LO: 02.01.01 Describe the general structure of atoms.
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
Section: 02.01
Topic: Atoms
Bloom's: 2. Understand
Accessibility: Keyboard Navigation
LO: 02.01.05 CoreSKILLS Quantify atomic mass using units such as daltons and moles. 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
Section: 02.01
Topic: Atoms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
LO: 02.01.01 Describe the general structure of atoms.
5) Ernest Rutherford's key experiment on alpha particle bombardment of gold foil was important
to the development of
A) detection methods for protons.
B) alpha particle emitters.
C) gold as an element.
D) the modern model for atomic structure.
E) the concept that atoms have a homogenous distribution of protons throughout the atom.
Answer: D
Section: 02.01
Topic: Atoms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
LO: 02.01.02 CoreSKILLS Interpret the results of an experiment indicating that most of an atom
is empty space.
6) If a scientist were to shoot protons through an atom as Rutherford did with gold foil, he or she
would likely find that
A) most of the protons passed straight through the atom.
2
, B) few of the protons passed straight through the atom.
C) most of the protons deflected or bounced back from the atom.
D) most of the protons were absorbed by the atom.
E) the atom emitted electrons.
Answer: A
Section: 02.01
Topic: Atoms
Bloom's: 2. Understand
Accessibility: Keyboard Navigation
LO: 02.01.02 CoreSKILLS Interpret the results of an experiment indicating that most of an atom
is empty space.
7) 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
Section: 02.01
Topic: Atoms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
LO: 02.01.03 CoreSKILLS Define orbital and electron shell.
8) 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
Section: 02.01
Topic: Atoms
Bloom's: 2. Understand
Accessibility: Keyboard Navigation
LO: 02.01.06 Explain how a single element may exist in two or more forms, called isotopes, and
how certain isotopes have importance in human medicine.
3
