Question

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Answer 1

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. And since chemical properties are due to valence electrons, they show same chemical reactions.

Answer 2

Answer:

$\huge\mathcal{\fcolorbox{lime}{black}{\pink{Answer}}}$Calcium (Ca) and strontiun (Sr) are expected to shows chemical reaction similar to magnesium (Mg). This is because the number of valence electron(2) is same in all these three elements and since chemical properties are due to valence electrons, they show same chemical reactions.