The element with the most metallic character in group 3 and why??
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In group 3, Actinium has the most metallic character. This is because as we go down the group, the effective nuclear charge decreases and hence electrons are free. Actinium is located at last in group 3. The elements with free electrons have metallic properties.
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Explanation:
Elements of group 3 are most metallic because as we move from top to bottom the metallic character increases but as we move left to right metallic character decreases
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