Answer:
A
Explanation:
rest are nonmetals and they are not shiny
Answer:
K is a group 1 element while Ne is a group 0 element
K is a good reducing agent while Ne is inert
K is metal while Ne is a gas
K has one valence electron while Ne has no valence electron
Explanation:
It has a single valence electron.
3pro & 3ele - it is the single electron in shell 2.
