Respuesta :

Answer: The elements which have similar behavior are Barium, strontium and beryllium.

Explanation: Periodic table is divided into 7 periods and 18 groups. The elements belonging to the same group will show chemical properties.

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Answer:

Barium, strontium and beryllium.

Explanation:

Periodic table is divided into 7 periods and 18 groups. The elements belonging to the same group will show chemical properties.