Which element has the electronic configuration 1s 22s 22p 63s 23p 3? view available hint(s)
1 answer:
The Si (silicon) element has electronic configuration
The placement of electrons and around the nucleus of a specific atom or molecule would be known as its electronic configuration. Protons, neutrons, as well as electrons, are the minuscule components that make up an atom. There is the same quantity of protons and electrons in a neutral atom.
The given electronic configuration is
By counting the total number of electrons, it will be 14. It is known that Si(silicon).
Therefore, the element will be Si.
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As Barium belongs to Group II elements (Alkaine Earth Metals), it has two valence electrons in 6 shell, Hence it capable of loosing two electrons and adopting +2 charge as,
Ba → Ba⁺² + 2 e⁻
And Chlorine belongs to Group VII elements (Halogens), it has seven valence electrons in 3rd shell, Hence it is capable of accepting one electron and adopting -1 charge as,
Cl + e⁻ → Cl⁻
Now, for the formation of Barium Chloride we need 2 chloride ions and one Barium cation, as two -1 and one +2 charge can add to form a neutral molecule. Hence,
Ba⁺² + 2 Cl⁻ → BaCl₂
Ba → Ba⁺² + 2 e⁻
And Chlorine belongs to Group VII elements (Halogens), it has seven valence electrons in 3rd shell, Hence it is capable of accepting one electron and adopting -1 charge as,
Cl + e⁻ → Cl⁻
Now, for the formation of Barium Chloride we need 2 chloride ions and one Barium cation, as two -1 and one +2 charge can add to form a neutral molecule. Hence,
Ba⁺² + 2 Cl⁻ → BaCl₂