Answer:
Metals are located on the left side of the periodic table and are generally shiny, malleable, ductile, and good conductors.
Explanation:
have one delocalised electron
b is the most stable( noble gas ) since it has an octet valance shell and can't loses or gains any more of electrons
%Mass
Ar C = 12 g/mol, Mr C₄H₁₀ = 58 g/mol, Ar H = 1 g/mol
or
