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#1 2017-02-06 04:43:06
12th Class Chemistry Quiz Question.
12th Class Quizzes 12th Class Chemistry
Question:
Vertical columns in modern periodic table are called__________ and horizontal rows are called
Option A):
groups, period
Option B):
periodic table
Option C):
basic
Option D):
acidic
Correct Answer is Option A):
groups, period
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2017-02-06 04:43:06
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