Science, asked by konthoujamjulish, 3 days ago

Atoms of the elementsA,B,C,andD have 3,11,17 and 20 protons respectively in their nuclear.Identify 1.elements that belongs to the same group 2.elements that belongs to the same period 3. haviest atom among them​

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Answered by Anonymous
2

Refer to the attachment for answer

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