3.
Neon has eight valence electrons in its outer shell. This means it does not easily react with other elements, as it has a full octet. Which other element behaves similarly?
lead
helium
carbon
iodine
Neon has eight valence electrons in its outer shell. This means it does not easily react with other elements, as it has a full octet. Which other element behaves similarly?
lead
helium
carbon
iodine