Answer -/-
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Aluminum ( Ai ) is a metal because /-
-/ It is malleable as it can be beaten into thin sheets.
-/ It is ductile as it can be easily drawn into wires.
-/ It is a good conductor of heat and electricity.
-/ It is lustrous or shiny.
-/ It is sonorous as it is capable of producing a ringing sound.
-/ It has high tensile strength.
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Nitrogen ( N ) is a non-metal because /-
-/ It is not malleable as it can not be beaten into thin sheets.
-/ It is not ductile as it can not be drawn into wires.
-/ It is not a good conductor of heat and electricity.
-/ It is not lustrous and is dull.
-/ It is not sonorous as it is not capable of producing a ringing sound.
-/ It has very low tensile strength.
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