Test bank for Talaro’s Foundations in Microbiology 11th Edition ( Barry Chess, 2024) Newest Edition.pdf

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Chapter 02 Testbank n n



Student:nn

1. Anythingnthatnoccupiesnspacenandnhasnmassnisncalled


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

2. Thenelectronsnofnannatomnare


A. alwaysnequalntonthennumbernofnneutronsni
nnannatom.
B. foundninnthen
nucleus.
C. usedntondeterminenatomic
number.
n

D. positively n
charged.
E. movingninnpathwaysncalled
orbitals.
n



3. Allnofnthenfollowingnpertainntonthe natom n146cnexceptnit(s)


A. hasn6
protons.
B. hasn6
electrons.
C. hasn14nn
eutrons.
D. isnan nisotopenofn
carbon.
E. massnnumbernisn
14.

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4. Thensubatomicnparticlesnthatnsurroundnthennucleusnarenthe


A. electronn
s.
B. proton
s.
n

C. neutron
s.
n

D. protonsnand
neutrons.
n

E. protonsnand
electrons.
n



5. Cationsnare


A. chargednsubatomicn
particles.
B. atomsnthatnhavengaine
dnelectrons.
C. radioactiven
isotopes.
D. capablenofnformingnionicnbondsnwit
hnanions.
E. atomsnwithoutn
protons.

6. Isotopesnarenatomsnofnthensamenelementnthatndifferninntheir


A. neutronn
number.
B. electronn
number.
C. protonn
number.
D. atomicn
number.
E. chemicaln
properties.

7. Whatnisnthenmaximum nnumbernofnelectronsninnthensecondnenergynshellnofnannatom?


A. 2

B. 4

C. 8

D. 1
8
E. 3
2

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8. Twonornmorenatomsnbondedntogethernarencalledna/an


A. ion
.
B. isotop
ne.

C. elemenn
t.
D. electrolytn
e.
E. moleculn
e.

9. Whatnwouldnbenthenvalencennumbernofnelectronsninnthensulfurnatom n3216s?


A. 2

B. 6

C. 8

D. 1
6
E. 3
2

10. Polarnmoleculesnarencomposednofncovalentlynbonded


A. identicaln
atoms.
B. carbonn
atoms.
C. ions
.
D. atomsnofndifferentn
electronegativity.
E. atomsnofnidentical
electronegativity.
n



11. Reactions ninvolvingnelectronnreleasenarencalled reactions.


A. oxidation
n.
B. reduction
n.
C. ionization
n.
D. decompositio n
n.
E. dissolutio n
n.

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12. Whichnofnthenfollowingnrepresents nansynthesis nreaction?


A. ABn→nAn
+nB
B. An+nBn→n
AB
C. ABn+nXYn→nAXn
+nBY
D. ABn+nXYn↔nAXn
+nBY
E. Nonenofnthenchoicesnar
encorrect.

13. Thenimportantnsolventnassociated nwithnlivingnthingsnis


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



14. Whichnterm ndoesnnotnbelongninnthisnlist?


A. lacticn
acid
B. vineg
nar

C. hydrogennionn
donor
D. pHn
8
E. acidin
c

15. AnsolutionnofnpHn7ncomparedntonansolutionnofnpH n9


A. isnmore
basic.
n

B. hasnnonOH-
ions.
n

C. hasnmorenH+n
ions.
D. hasnanhighern
pH.
E. Allnofnthenchoicesnar
encorrect.