Question

Lithium, sodium, Magnesium A part of periodic table is given which one among these is more electropositive Why

Answer 1

Sodium is more electropositive because it comes after lithium in group and in group electropositive character of metal increases and also comes before magnesium in a period and in a period electropositive character decrease.
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Answer 2

sodium. because it can become +ve ly charge by giving only 1 electron. As magnesium have to donate 2 e- .