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

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SVP
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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21 Jun 2007, 13:12
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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

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
Joined: 17 May 2007
Posts: 143

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21 Jun 2007, 13:24

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
Joined: 30 Nov 2006
Posts: 553
Location: Kuwait

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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.

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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!

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21 Jun 2007, 17:36
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