BIOL 235 A & P Chapter 02 - Chemical Composition of the Body and Its Relation to Physiology (Answered exam)
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Course
BIOL 235
Institution
Walden University
A & P Chapter 02 - Chemical Composition of the Body and Its Relation to Physiology (Answered exam)A & P Chapter 02 - Chemical Composition of the Body and Its Relation to Physiology (Answered exam)
A & P Chapter 02 - Chemical Composition of the Body and Its Relation to Physiology (Answered exam)
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Chapter 02 - Chemical Composition of the Body and Its Relation to Physiology
Chapter 02
Chemical Composition of the Body and Its Relation to Physiology
Multiple Choice Questions
1. Which correctly describes the structure of an atom?
A. There are always the same number of protons and neutrons.
B. There are always the same number of protons and electrons.
C. There are always the same number of neutrons and electrons.
D. The number of protons, neutrons, and electrons is always the same
E. There are never the same number of neutrons and protons.
Bloom's: Level 1. Remember
HAPS Objective: C01.01a Describe the charge, mass, and relative location of electrons, protons and neutrons with respect to the structure
of an atom.
HAPS Topic: Module C01 Atoms and molecules.
Learning Outcome: 02.01
Section: 02.01
Topic: Atoms and molecules
2. What directly determines an atom's identity?
A. the number of electrons
B. the number of neutrons
C. the number of protons
D. the number of bonds it can form
E. the ratio of protons to electrons
Bloom's: Level 1. Remember
HAPS Objective: C01.01a Describe the charge, mass, and relative location of electrons, protons and neutrons with respect to the structure
of an atom.
HAPS Topic: Module C01 Atoms and molecules.
Learning Outcome: 02.01
Section: 02.01
Topic: Atoms and molecules
,Chapter 02 - Chemical Composition of the Body and Its Relation to Physiology
3. Carbon-12 and carbon-14 are isotopes. How are they different from each other?
A. different numbers of protons
B. different numbers of neutrons
C. different numbers of electrons
D. they can form different numbers of chemical bonds
E. different number of energy shells
Bloom's: Level 1. Remember
HAPS Objective: C01.01c Explain how ions and isotopes are produced by changing the relative number of specific subatomic particles with
respect to the structure of an atom.
HAPS Topic: Module C01 Atoms and molecules.
Learning Outcome: 02.01
Section: 02.01
Topic: Atoms and molecules
4. Which is a covalent bond?
A. two atoms share inner-orbit electrons with each other
B. a bond between water molecules
C. a bond between two oppositely charged ions
D. a bond between two free radicals
E. two atoms share outer orbit electrons with each other
Bloom's: Level 1. Remember
HAPS Objective: C02.01b Explain the mechanism of each type of non-polar covalent, polar covalent, ionic, and hydrogen bonds.
HAPS Topic: Module C02 Chemical bonding.
Learning Outcome: 02.02
Section: 02.02
Topic: Chemical bonding
, Chapter 02 - Chemical Composition of the Body and Its Relation to Physiology
5. Ions are
A. electrically neutral.
B. electrically charged.
C. formed by the gain or loss of protons from the nucleus.
D. insoluble in water.
E. nonpolar atoms.
Bloom's: Level 1. Remember
HAPS Objective: C01.01c Explain how ions and isotopes are produced by changing the relative number of specific subatomic particles with
respect to the structure of an atom.
HAPS Objective: C01.02 Compare and contrast the terms ions, electrolytes, free radicals, isotopes and radioisotopes.
HAPS Topic: Module C01 Atoms and molecules.
Learning Outcome: 02.01
Section: 02.01
Topic: Atoms and molecules
6. When magnesium loses electrons to become an ion, what does it become?
A. a covalent molecule
B. a cation
C. an anion
D. a new element
E. a free radical
Bloom's: Level 2. Understand
HAPS Objective: C01.01c Explain how ions and isotopes are produced by changing the relative number of specific subatomic particles with
respect to the structure of an atom.
HAPS Topic: Module C01 Atoms and molecules.
Learning Outcome: 02.01
Section: 02.01
Topic: Atoms and molecules
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