Malleable
If an object is malleable, it is able to be shaped or extended in any way. Therefore in order to be malleable an object needs to be a solid and Chlorine however is a gas at room temperature.
Ductile
Ductile is referred to as being able to be hammered or stretched out thin. Chlorine however is not ductile either as it is not a solid at room temperature.
Lustre
If a metal is lustre it means it is gentle with a soft glow and Chlorine is a gas at room temperature which also makes it a non-metal.
If an object is malleable, it is able to be shaped or extended in any way. Therefore in order to be malleable an object needs to be a solid and Chlorine however is a gas at room temperature.
Ductile
Ductile is referred to as being able to be hammered or stretched out thin. Chlorine however is not ductile either as it is not a solid at room temperature.
Lustre
If a metal is lustre it means it is gentle with a soft glow and Chlorine is a gas at room temperature which also makes it a non-metal.