electronic configuration of an elements E is (2,8,3) .the number of valence electrons is
Answers
Answer:
Aluminium is an element with valency is 3 having the electronic configruration is 2, 8, 3.
Explanation:
The given configuration is 2, 8, 3. The complete electronic configuration is
The element of this configuration is Aluminium which is a group element and the Valence of Aluminium is 3 because it has 3 electrons in its outer most shell.
Aluminium is the first most abundant metal found on earth’s crust which is also lightweight than other metals in the earth.
To obtain octet configuration, it loses those valence electrons.
Learn more about Aluminium
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