Q.
Which of the following is the most electropositive element?
2354
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AIIMSAIIMS 1998Classification of Elements and Periodicity in Properties
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Solution:
Electropositive nature decreases as we move across a period where as it increases down a group. Hence, Lithium will have more electropositive nature
than any other element as it has largest size and easily donates electrons due to less effect of nuclear charge on valence electron among given atomic numbers.