Question

two elements A and B have the electronic configuration as 2,8 ,2 and 2,6 respectively these form a chemical bond name the type of Bond formed

Answer 1

element A is Mg
element B is O
they form MgO

Answer 2

The element A has electronic configuration 2,8,2 . It shows that A has 2 electrons more in outermost valence shell.
The element B has electronic configuration 2,8
It shows that B has 2 electrons less in outermost shell.
They form double covalent Bond.

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