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#1 2017-02-06 10:42:55
The Horizontal columns in the periodic table are called?
12th Class Quizzes 12th Class Chemistry
Question:
The Horizontal columns in the periodic table are called
Option A):
Halogens
Option B):
hydrogen
Option C):
groups
Option D):
periods
Correct Answer is Option D):
periods
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2017-02-06 10:42:55
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