Question

the outermost electron shell is known as the
sea shell.
epic shell.
valence shell.
turtle shell.

Explanation:

In chemistry, the outermost electron shell of an atom is called the valence shell. It is involved in chemical bonding and determines the chemical properties of an element. The other options (sea shell, epic shell, turtle shell) are non - relevant in the context of electron shells in atoms.

Answer:

valence shell