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

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Senior Manager
Joined: 12 Mar 2009
Posts: 301
Two valence states of uranium, one with a deficit of four [#permalink]

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30 Jun 2009, 21:51
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100% (00:42) correct 0% (00:00) wrong based on 13 sessions

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8. 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

OA is

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Re: Two valence states of uranium [#permalink]

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30 Jun 2009, 22:53
IMO D

There are two errors in this sentence.
1st error: Use of "other one". The correct form should be "one with.. and other with..".

2nd error: subject verb agreement. The subject is "Two valence states" which is plural. Whereas "occurs in nature and contributes" follows singular subject.

Except D, all other options have either or both of these errors.
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Joined: 27 May 2009
Posts: 185
Re: Two valence states of uranium [#permalink]

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01 Jul 2009, 00:22
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

Subject is two valence states - a plural subject. Hence the verb should be occur.
Between B & D, B misses the word with and hence sounds awkward.

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Re: Two valence states of uranium   [#permalink] 01 Jul 2009, 00:22
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