Question

which element behaves most like magnesium

Answer 1

[AI-generated answer — Bot GPT 3.5]

Calcium behaves most like magnesium in terms of its chemical properties. Both magnesium and calcium are alkali earth metals with similar reactivity and behavior in chemical reactions. They both readily react with water and oxygen, form similar compounds, and have similar reactivity in terms of their ability to form ionic compounds. Additionally, they both have similar atomic structures and electronic configurations.