Question 2 Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?
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Solution
Calcium (Ca) and strontium (Sr) are expected to show chemical reactions similar to magnesium (Mg). This is because the number of valence electrons (2) is same in all these three elements. Since chemical properties are due to valence electrons, they all are expected to show similar chemical reactions.