Answer:
The three isomers having the molecular formula 
are drawn in the figure below.
Explanation:
The element is Sodium with an atomic number of 11 and electrovalent bonding takes place when it comes near an atom having seven valence electrons.
<h3>What is Electrovalent bonding?</h3>
This is also referred to as ionic bonding and involves the transfer of atoms of an element to another.
In order for both of them to achieve a stable octet configuration, sodium donates one atom to the element seven valence electrons.
Read more about Electrovalent bonding here brainly.com/question/1979431
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The answer would be D. The only minerals harder than corundum is diamond.
Answer:
The electron from the ground state to occupy a next energy level. In this case,we say that the electron is excited
