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- #Chemistry Part I Textbook for Class XI
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3.8 Why do elements in the same group have similar physical and chemical properties?
Answers (2)
Elements in the same group have similar physical and chemical properties because they have the same number of valence electrons. So, their most properties are similar, as they react in the same manner as the group has the same number of valence electrons.
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Elements in the group have similar chemical properties. This is because their atoms have the same number of electron in the highest occupied energy level.
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