Electron dot structure for potassium
Asked by maham237 @ in Chemistry viewed by 343 People
Write the electron dot structure for potassium and chlorine show the formation of KCL by the transfer of electrons name the ions present in the compound,KCL
Asked by maham237 @ in Chemistry viewed by 343 People
Write the electron dot structure for potassium and chlorine show the formation of KCL by the transfer of electrons name the ions present in the compound,KCL
Answered by maham237 @
Answer : The correct answer for ions present in KCl is K⁺ and Cl⁻ which forms KCl by ionic bond (complete transfer of electron from K to Cl ) .
The electron dot structure : It is representation of valence electrons around the symbol of atoms.
Potassium : As it belongs to s -block , the electronic configuration of potassium is 1s² 2s² 2p⁶ 3s² 3p⁶4s¹ .Since Potassium has 1 electron in its outermost shell , so its electron dot structure involves K with one dot .
Chlorine : Chlorine belongs to p-block so the electronic configuration of Cl is 1s² 2s² 2p⁶ 3s² 3p⁵ . The valence electrons present in Cl is 7 , so the electron dot structure of Cl involves 7 dots around Cl .
The electron dot structures are shown in image.
Potassium chloride : It is ionic compound and formed by ionic bond between two ions , cations and anion . Cation is potassium and anion is chlorine.
Potassium being a metal , have tendency to donate the electron and form a cation . Since the outer shell has only 1 electron in it , so K easily loose this electron to gain stable configuration and form K⁺ ion .
Chlorine is a non metal and electronegative element ,so it has tendency to accept electron. and form anions. The electronic configuration of Cl is 1s² 2s² 2p⁶ 3s² 3p⁵ , that is , it is one electron short to complete the octet . Hence , it easily accepts one electron and form anion Cl⁻.
Potassium give its electron to Cl and forms ionic bond between K⁺ ion and Cl⁻ ion by complete transfer of one electron to form potassium chloride .(shown in image )
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