Question

in metals, the _________ electrons form a shared sea of electrons. outer metallic ionic inner

Explanation:

In metallic bonding, outer electrons (valence electrons) are delocalized and form a "sea of electrons" that allows metals to conduct electricity and heat, and gives them malleability and ductility. The terms "metallic" and "ionic" refer to types of bonds (not electrons), and "inner" electrons are not involved in this delocalization.

Answer:

Outer