Category: Chapter 5 Periodic Classification of Elements
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Total 86 are added into the "Chapter 5 Periodic Classification of Elements".
Elements belonging to groups 1 to 17 are called __________?
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Which of the following elements does not lose an electron easily?
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Which of the following is most reactive?
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The family of elements to which potassium belongs is _________?
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Upto which element, the Law of Octaves was found applicable?
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