Krypton: Non-metal, inert gas
Zirconium:Metal, Transittion metal
Magnesium: Metal, Alkaline Earth metal
Chlorine: non-metal, halogen
Arsenic: semi-metal a.k.a metaloid
Helium: non-metal, inert gas
Oxygen: non metal
Copper: metal, transition metal
Silicon: non metal, metaloid
Aluminium: Metal, post-transition metal
Hope that helps.
