Question

Alkaline earths metals have valency 2.this means that their position in the morden periodic table is in

Answer 1

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Alkaline earth metals have 2 electrons in their outermost orbits. These elements are ready to lose their 2 electrons and form cations. Thus their valency is +2. Due to presence of 2 electrons in the outer most orbit, they fall in group 2 (IIA) of the periodic table

Answer 2

Alkaline earth metals have 2 electrons in their outermost orbits. These elements are ready to lose their 2 electrons and form cations. Thus their valency is +2. Due to presence of 2 electrons in the outer most orbit, they fall in group 2 (IIA) of the periodic table.

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