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# The neutrons residing in the nucleus of an atom have a mass

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The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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02 Feb 2014, 12:43
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47% (01:38) correct 53% (01:46) wrong based on 612 sessions

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The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge.

a. The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge

b.The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons, but the former do not have an electric charge

c.Residing in the nucleus of an atom but without an electric charge, neutrons have virtually the same mass as protons do

d.The neutrons and protons residing in the nucleus of an atom have virtually the same mass, but neutrons lack an electric charge

e.Having virtually the same mass as protons do but lacking an electrical charge, neutrons reside in the nucleus of the atom

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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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03 Feb 2014, 06:04
This is a good question, indeed.

Here the logic is subtle: we have two things: neutrons and protons and one lack or hava a diffrent things in contrast with the other (neutrons) BUT we do not compare the same as in A

In B The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons has no sense: the neutrons have the same mass of ITS protons

in E Having virtually the same mass as protons do but lacking an electrical charge. Avoid as mauch as possible having construction, in particular at the beginning of the sentence

D left

Hope is clear.

Do not esitate to ask for something
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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03 Feb 2014, 07:33
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carcass wrote:
This is a good question, indeed.

Here the logic is subtle: we have two things: neutrons and protons and one lack or hava a diffrent things in contrast with the other (neutrons) BUT we do not compare the same as in A

In B The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons has no sense: the neutrons have the same mass of ITS protons

in E Having virtually the same mass as protons do but lacking an electrical charge. Avoid as mauch as possible having construction, in particular at the beginning of the sentence

D left

Hope is clear.

Do not esitate to ask for something

Agreed with the elimination of B & E. In the exam I marked C and got this wrong. Also the explanation provided by economist gmat app is as follows :-

Attachment:

Untitled.png [ 10.15 KiB | Viewed 4441 times ]

Is it true for all GMAT answers that the construction A but B requires A and B to be of the same part of speech ?
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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03 Feb 2014, 08:43
djanand wrote:
The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge.

a. The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge

b.The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons, but the former do not have an electric charge

c.Residing in the nucleus of an atom but without an electric charge, neutrons have virtually the same mass as protons do

d.The neutrons and protons residing in the nucleus of an atom have virtually the same mass, but neutrons lack an electric charge

e.Having virtually the same mass as protons do but lacking an electrical charge, neutrons reside in the nucleus of the atom

Let me try:

a. The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge

"But" must be followed by a verb i.e. The neutrons.....have ... but (are) without....

b.The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons, but the former do not have an electric charge

"but the former" refers to "The mass of the neutrons" - illogical

c.Residing in the nucleus of an atom but without an electric charge, neutrons have virtually the same mass as protons do

The original choice shows : The neutrons have (something) but (are something). Here the contrast is between "residing" and "without an electric charge"

d.The neutrons and protons residing in the nucleus of an atom have virtually the same mass, but neutrons lack an electric charge

e.Having virtually the same mass as protons do but lacking an electrical charge, neutrons reside in the nucleus of the atom

"having ....., neutrons reside"? - illogical
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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04 Feb 2014, 04:55
CARK wrote:
djanand wrote:
The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge.

a. The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge

b.The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons, but the former do not have an electric charge

c.Residing in the nucleus of an atom but without an electric charge, neutrons have virtually the same mass as protons do

d.The neutrons and protons residing in the nucleus of an atom have virtually the same mass, but neutrons lack an electric charge

e.Having virtually the same mass as protons do but lacking an electrical charge, neutrons reside in the nucleus of the atom

Let me try:

a. The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge

"But" must be followed by a verb i.e. The neutrons.....have ... but (are) without....

b.The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons, but the former do not have an electric charge

"but the former" refers to "The mass of the neutrons" - illogical

c.Residing in the nucleus of an atom but without an electric charge, neutrons have virtually the same mass as protons do

The original choice shows : The neutrons have (something) but (are something). Here the contrast is between "residing" and "without an electric charge"

d.The neutrons and protons residing in the nucleus of an atom have virtually the same mass, but neutrons lack an electric charge

e.Having virtually the same mass as protons do but lacking an electrical charge, neutrons reside in the nucleus of the atom

"having ....., neutrons reside"? - illogical

As per the original sentence, there is no information where protons resides but the option D) provides that. Is that accepted on GMAT?

P.S. I picked up C.
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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04 Feb 2014, 08:53
kinjiGC wrote:
CARK wrote:
djanand wrote:
The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge.

a. The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge

b.The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons, but the former do not have an electric charge

c.Residing in the nucleus of an atom but without an electric charge, neutrons have virtually the same mass as protons do

d.The neutrons and protons residing in the nucleus of an atom have virtually the same mass, but neutrons lack an electric charge

e.Having virtually the same mass as protons do but lacking an electrical charge, neutrons reside in the nucleus of the atom

Let me try:

a. The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge

"But" must be followed by a verb i.e. The neutrons.....have ... but (are) without....

b.The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons, but the former do not have an electric charge

"but the former" refers to "The mass of the neutrons" - illogical

c.Residing in the nucleus of an atom but without an electric charge, neutrons have virtually the same mass as protons do

The original choice shows : The neutrons have (something) but (are something). Here the contrast is between "residing" and "without an electric charge"

d.The neutrons and protons residing in the nucleus of an atom have virtually the same mass, but neutrons lack an electric charge

e.Having virtually the same mass as protons do but lacking an electrical charge, neutrons reside in the nucleus of the atom

"having ....., neutrons reside"? - illogical

As per the original sentence, there is no information where protons resides but the option D) provides that. Is that accepted on GMAT?

P.S. I picked up C.

Hi

A question from GMAT prep Exam pack 1.

Hope this helps
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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22 Nov 2016, 09:28
djanand wrote:
The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge.

a. The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge

b.The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons, but the former do not have an electric charge

c.Residing in the nucleus of an atom but without an electric charge, neutrons have virtually the same mass as protons do

d.The neutrons and protons residing in the nucleus of an atom have virtually the same mass, but neutrons lack an electric charge

e.Having virtually the same mass as protons do but lacking an electrical charge, neutrons reside in the nucleus of the atom

well, I picked C, because D says that protons reside in the nucleus of an atom as well - in the original sentence - it is not specified.
C looks good to me as well
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The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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22 Nov 2016, 11:26
djanand wrote:
The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge.

a. The neutrons residing in the nucleus of an atom have a mass virtually the same as the protons but without an electric charge

b.The mass of the neutrons residing in the atom's nucleus is virtually the same as that of its protons, but the former do not have an electric charge

c.Residing in the nucleus of an atom but without an electric charge, neutrons have virtually the same mass as protons do

d.The neutrons and protons residing in the nucleus of an atom have virtually the same mass, but neutrons lack an electric charge

e.Having virtually the same mass as protons do but lacking an electrical charge, neutrons reside in the nucleus of the atom

With (D) for the highlighted errors ( in Red ) in the other options....
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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27 Mar 2017, 03:06
Hi experts,
I am wondering whether "residing in the nucleus..." modifies protons or both.
The original sentence seems to use this modifier with neutrons,but in option D it seems to modify only protons.

From the outside knowledge,both protons and neutron reside in the nucleus.
Should there be a pair of comma,so that the modifier is applied to both neutrons and protons?
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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29 Mar 2017, 08:23
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Sleepynut, I think the modifier in (D) is OK. When you're using a participle as a modifier ("residing", in this case), it doesn't necessarily have to immediately "touch" the noun that it modifies.

Here's where I think the confusion is coming from: participles function a little bit differently than noun modifiers such as "that" or "which". If (D) were to say "The neutrons and protons, which reside in the nucleus of an atom, have the same mass..." -- then I think we'd have a problem, because "which" would seem to modify the protons only.

With some exceptions on the GMAT (and we'll save the exceptions for another day!), noun modifiers beginning with "that" or "which" will "touch" the noun being modified. But it's acceptable for participles to reach a little bit further back, and modify the entire phrase "neutrons and protons."

I hope this helps!
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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31 Mar 2017, 04:29
GMATNinja I feel both C and D options are grammatically correct but the contrast is proper in D i.e. D is more in line with the meaning of original sentence.

Can you please correct me if I am wrong. Also please explain if there is any other error in option C.

p.s. I selected C.
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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03 Apr 2017, 07:48
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Yeah, I think you're correct, RMD007. (And can I just call you "007" for short? )

I don't think that there's anything grammatically wrong, exactly, with (C). It sounds horrible, but that's no reason to cross something off on the GMAT -- plenty of correct answers sound terrible on official questions, too.

The main issue is that (C) changes the emphasis of the sentence. The main clause is "neutrons have virtually the same mass as protons do", and "residing in the nucleus of an atom but without an electric charge" is just the modifier. That obscures the main point of the sentence, which is that neutrons and protons are kinda the same, but they have one clear difference: the neutrons lack an electric charge. (D) is much better at conveying that meaning.

Good luck with your studies, 007!
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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03 Apr 2017, 08:55
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GMATNinja wrote:
Yeah, I think you're correct, RMD007. (And can I just call you "007" for short? ) Sure

I don't think that there's anything grammatically wrong, exactly, with (C). It sounds horrible, but that's no reason to cross something off on the GMAT -- plenty of correct answers sound terrible on official questions, too.

The main issue is that (C) changes the emphasis of the sentence. The main clause is "neutrons have virtually the same mass as protons do", and "residing in the nucleus of an atom but without an electric charge" is just the modifier. That obscures the main point of the sentence, which is that neutrons and protons are kinda the same, but they have one clear difference: the neutrons lack an electric charge. (D) is much better at conveying that meaning.

Good luck with your studies, 007!

Thanks GMATNinja for the explanation also for the Wishes!!
Such an expertise available on GMATClub makes life easier for many GMAT aspirants. +1..
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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22 Oct 2017, 23:21
can an expert help describe why each answer is wrong? I was only able to cross of A because it compares mass:protons

As for B,C,D, and E it was just a guess. Thanks!
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Re: The neutrons residing in the nucleus of an atom have a mass  [#permalink]

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23 Nov 2018, 15:39
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Re: The neutrons residing in the nucleus of an atom have a mass   [#permalink] 23 Nov 2018, 15:39
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