Question

Strontium-10, Cerium-141, Barium-140 are---------​

Answer 1

Answer:

Strontium, Barium and Calcium are Alkali Earth Metals .

Explanation:

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Answer 2

Strontium-10, Cerium-141, Barium-140 are---alkali earth metals.

• The group III and second period elements are called alkali earth metals.
• Metals of this group has high metallic property.
• The six elements of this group are Be, Mg, Ca, Sr,Ce,Ba.
• Here Be has the smallest size and Ba has the highest size.
• Elements of this group has full filled s orbital.