Alkaline earth metals have valency 2 this means that their position in the modern periodic table is in
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Alkali Earth metals like Beryllium -Be
Magnesium _Mg
Calcium - Ca
Strontium - Sr
Barium- Ba
Radium- Ra
have valency 2 .
That means they belong to 2nd group of modern periodic table where all the elements posses same valency 2.
As their differentiating electrons enter s orbital. they belong to S block .
Magnesium _Mg
Calcium - Ca
Strontium - Sr
Barium- Ba
Radium- Ra
have valency 2 .
That means they belong to 2nd group of modern periodic table where all the elements posses same valency 2.
As their differentiating electrons enter s orbital. they belong to S block .
Answered by
7
Answer:2nd group
Explanation:
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