TALARO TEST BANK
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, FOUNDATIONS IN MICROBIOLOGY 10TH EDITION TALARO TEST BANK
Chapter 02 Testbank
Student: ___________________________________________________________________________
1. Anything that occupies space and has mass is called
A. an electron.
B. living.
C. matter.
D. energy.
E. space.
14
2. All of the following pertain to 6C except it
A. has 6 protons.
B. has 6 electrons.
C. has 14 neutrons.
D. is an isotope of carbon.
E. has a mass number of 14.
3. The electrons of an atom are
A. always equal in number to the number of neutrons in an atom.
B. found in the nucleus.
C. used to determine atomic number.
D. positively charged.
E. moving in pathways called orbitals.
4. The subatomic particles that surround the nucleus are the
A. electrons.
B. protons.
C. neutrons. NURSINGTB.COM
D. protons and neutrons.
E. protons and electrons.
5. What is the maximum number of electrons in the second energy shell of an atom?
A. 2
B. 4
C. 8
D. 18
E. 32
6. Isotopes are atoms of the same element that differ in their
A. neutron number.
B. electron number.
C. proton number.
D. atomic number.
E. chemical properties.
7. Two or more atoms bonded together are called a/an
A. ion.
B. isotope.
C. element.
D. electrolyte.
E. molecule.
32
8. What would be the valence number of electrons in the sulfur atom 16S?
A. 2
B. 6
02-1
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, FOUNDATIONS IN MICROBIOLOGY 10TH EDITION TALARO TEST BANK
C. 8
D. 16
E. 32
9. Polar molecules are composed of covalently-bonded
A. identical atoms.
B. carbon atoms.
C. ions.
D. atoms of different electronegativity.
E. atoms of identical electronegativity.
10. Reactions involving electron removal are called ______ reactions.
A. oxidation
B. reduction
C. dehydration
D. decomposition
E. dissolution
11. Which of the following represents a synthesis reaction?
A. AB → A + B
B. A + B→AB
C. AB + XY→AX + BY
D. AB + XY→AX + BY
12. The important solvent associated with living things is
A. carbon dioxide.
B. sodium chloride.
C. ethyl alcohol.
D. benzene.
E. water. NURSINGTB.COM
13. What do H2O, NaCl, CO2, and HCl all have in common?
A. All are salts.
B. All are acids.
C. All are gases.
D. All are inorganic.
E. All are solutes.
14. Which term does not belong in this list?
A. lactic acid
B. vinegar
C. hydrogen ion donor
D. pH 8
E. acidic
15. Compared to a solution of pH 9, a solution of pH 7
A. is more basic.
-
B. has no OH ions.
+
C. has more H ions.
D. has a higher pH.
E. All of these choices are correct.
16. The building blocks of an enzyme are
A. nucleotides.
B. glycerol and fatty acids.
C. monosaccharides.
02-2
Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior
written consent of McGraw-Hill Education.
NURSINGTB.COM