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Muhammad

بِسمِ اللَّهِ الرَّحمٰنِ الرَّحيمِ

From: Sahiwal Division

Registered: 2012-03-22

Posts: 22,147

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12th Class Chemistry Quiz Question.

12th Class Quizzes 12th Class Chemistry

Question:
The repetition of a property at ___________ intervals is called periodicity.

Option A):
regular
Option B):
present
Option C):
Different
Option D):
absent

Correct Answer is Option A):
regular

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