Why a particular element belong to its characteristic group??
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The periodic table also has a special name for its vertical columns. Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.
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the periodic table also has a special name for its vertical columns . each column is called group. the elements in each group have the same number of electrons in the outer orbital . those outer electrons are also called Valence Electrons ......
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