Chriscov
contestada

which of these elements
has and atom with the most stable outer electron configuration (Ne,Ca,Cl,Na)

Respuesta :

neon, it has a stable noble gas configuration.

Answer:

A. Ne ( Neon)

Explanation:

Neon has 8 valence electrons.  This is known as the stable octet.  All the Noble Gases, Group 18, have stable outer electron configurations.