in modern peroidic table how do elements belonging to same group reassemble and write 2 point
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Elements belonging to the same group of the periodic table have the same valence shell electronic configuration thus have the same number of valence electrons.
option B
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Answer:
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Explanation:
the element belonging to the same group have their same valencies that show that they have same chemical properties
(2) the elements in a group have same chemical properties
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