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#1 2017-02-06 10:34:59

Muhammad
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بِسمِ اللَّهِ الرَّحمٰنِ الرَّحيمِ
From: Sahiwal Division
Registered: 2012-03-22
Posts: 22,033
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12th Class Chemistry Quiz Question.

12th Class Quizzes 12th Class Chemistry

Question:
Mendeleev used the valences of ‘elements to calculate their atomic _________ more accurately.

Option A):
atomic number
Option B):
masses
Option C):
number
Option D):
weight

Correct Answer is Option B):
masses


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2017-02-06 10:34:59

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