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#1 2017-02-06 10:57:59

Ibraheem
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The horizontal rows of elements are called?

http://interviewquestionsanswers.org/quiz/12th-Class http://interviewquestionsanswers.org/qu … -Chemistry

Question:
The horizontal rows of elements are called

Option A):
periods
Option B):
Halogens
Option C):
groups

Correct Answer is Option A):
periods

2017-02-06 10:57:59

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Re: The horizontal rows of elements are called?



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