Metals and non metals

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Which property allows metals to be beaten into thin sheets?

• Ductility

• Conductivity

• Malleability

• Lustrous

Which metal is commonly used for making electrical wires?

• Gold

• Copper

• Iron

• Silver

Most solid non-metals are brittle or soft, but which non-metal is known for being the hardest?

• Sulphur

• Carbon

• Phosphorous

• Diamond

Which non-metal is used for water purification?

• Oxygen

• Nitrogen

• Phosphorous

• Chlorine