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Test Bank for Foundations in Microbiology 8th Edition Talaro R279,29   Add to cart

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Test Bank for Foundations in Microbiology 8th Edition Talaro

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Test Bank for Foundations in Microbiology 8th Edition Talaro

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  • July 21, 2022
  • 121
  • 2021/2022
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Test Bank for Foundations in Microbiology 8th Edition Talaro




Chapter 02 Testbank
Student:

1. Anything that occupies space and has mass is called


A. an
electron.
B. livin
g.
C. matte
r.
D. energy
.
E. space
.

2. The electrons of an atom are


A. always equal 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.
14
3. All of the following pertain to the atom 6c except it(s)


A. has 6
protons.
B. has 6
electrons.
C. has 14
neutrons.
D. is an isotope of
carbon.
E. mass number is
14.

, Test Bank for Foundations in Microbiology 8th Edition Talaro

4. The subatomic particles that surround the nucleus are the


A. electron
s.
B. proton
s.
C. neutron
s.
D. protons and
neutrons.
E. protons and
electrons.

5. Cations are


A. charged subatomic
particles.
B. atoms that have gained
electrons.
C. radioactive
isotopes.
D. capable of forming ionic bonds with
anions.
E. atoms without
protons.

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. What is the maximum number of electrons in the second energy shell of an atom?


A. 2

B. 4

C. 8

D. 1
8
E. 3
2

, Test Bank for Foundations in Microbiology 8th Edition Talaro

8. Two or more atoms bonded together are called a/an


A. ion
.
B. isotop
e.
C. elemen
t.
D. electrolyt
e.
E. molecul
e.
32
9. What would be the valence number of electrons in the sulfur atom 16s?




A. 2

B. 6

C. 8

D. 1
6
E. 3
2

10. 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.

11. Reactions involving electron release are called reactions.


A. oxidatio
n.
B. reductio
n.
C. ionizatio
n.
D. decompositio
n.
E. dissolutio
n.

, Test Bank for Foundations in Microbiology 8th Edition Talaro

12. 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
E. None of the choices are
correct.

13. The important solvent associated with living things is


A. carbon
dioxide.
B. sodium
chloride.
C. ethyl
alcohol.
D. benzen
e.
E. wate
r.

14. Which term does not belong in this list?


A. lactic
acid
B. vineg
ar
C. hydrogen ion
donor
D. pH
8
E. acidi
c

15. A solution of pH 7 compared to a solution of pH 9


A. is more
basic.
-
B. has no OH
ions.
+
C. has more H
ions.
D. has a higher
pH.
E. All of the choices are
correct.

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