The elements calcium, strontium and barium were put in one group and family on the basis of their similar properties.
What were those similar properties?

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Solution

Those similar properties are-
1. All are metals
2. Their oxides are alkaline
3. Each has valency $2$ .

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The elements calcium, strontium and barium were put in one group and family on the basis of their similar properties.What were those similar properties?

Those similar properties are-1. All are metals 2. Their oxides are alkaline 3. Each has valency 2.

The elements calcium, strontium and barium were put in one group and family on the basis of their similar properties.
What were those similar properties?

Those similar properties are-
1. All are metals
2. Their oxides are alkaline
3. Each has valency $2$ .