Which Element(s) have 3 Energy Levels? (select all that apply)

Sodium (Na)
Calcium (Ca)
Tin (Sn)
Neon (Ne)
Phosphorus (P)
Sulfur (S)
Lithium (Li)
Yttrium (Y)
Argon (Ar)

Respuesta :

Answer: Tin (Sn) Lithium (Li) Sodium (Na) Argon (Ar)