![]() Thus, the electronic configuration of this atom is: This means that a Sodium atom has 11 protons and 11 electrons. Sodium (a soft, silvery-white highly reactive metal) has an atomic number of 11.Sodium chloride (widely known as salt) is an ionic compound and has the chemical formula NaCl.īelow is the complete procedure on how sodium chloride is formed. With this, it is time to move on and talk about the ionic bonding of sodium chloride (NaCl). However, an octet is an atom or ion having a maximum of eight electrons in its outermost shell. The difference between duplet and octet rules is that a duplet is an atom or ion having a maximum of two electrons in its outermost (valence) shell. In Chemistry, the duplet or octet rule allows an atom to complete its number of electrons (become stable). In other words, atoms become stable due to this movement of electrons.Īt this stage, you should be also familiar with duplet and octet electronic configuration.ĭuplet and Octet electronic configuration: Note: If an atom has a completely filled outer shell, it means that it is stable. ![]()
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