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Two valence states of uranium, one with a deficit of four

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SVP
SVP
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Joined: 21 Jan 2007
Posts: 2477
Location: New York City
Two valence states of uranium, one with a deficit of four  [#permalink]

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New post 21 Jun 2007, 13:12
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

67% (01:10) correct 33% (00:03) wrong based on 5 sessions

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880. Two valence states of uranium, one with a deficit of four electrons and the other one with a deficit of six, occurs in nature and contributes to the diversity of uranium’s behavior.
(A) the other
one with a deficit of six, occurs in nature and contributes
(B) the other one a deficit of six, occur in nature and contribute
(C) the other with a deficit of six, occurs in nature and contributes
(D) the other with a deficit of six, occur in nature and contribute
(E) one with six, occurs in nature and contributes


Please explain why an answer is wrong.




















my attempt....
two states...occur. Therefore, BD are left.
D is correct because the other with a deficit of six is parallel to one with a deficit of four.

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Manager
Manager
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Joined: 17 May 2007
Posts: 143
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New post 21 Jun 2007, 13:24
answer is D


D is the best answer because the other refers to the second one of the two valence states.. ( so here no need to mention it as the other one)

the other is always is always used to refer the last of the set.

second point to note here is, senetence startes with Two Valence states(plural)......so "occur in nature and contribute " is the correct usage.

Occurs in C is singular that is why it is incorrect.
Director
Director
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Joined: 30 Nov 2006
Posts: 553
Location: Kuwait
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New post 21 Jun 2007, 17:36
Subject-verb agreement: two valnce states --> occur

A, C, and E are eliminated

Between B and D, B is wordy and D is more concise.

ANSWER: D

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.


If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
GMAT Club Bot
  [#permalink] 21 Jun 2007, 17:36
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