Question

what is the percentage of lead in lead pencils?

Answer 1

The percentage of lead in lead pencils is 0%, since the pencil are now a days made of grahite, which is aform of carbon.

Answer 2

The percentage of lead in lead pencils is 0%.

Explanation:  

• Lead pencil is a misnomer. Pencils are usually made up of graphite. Graphite is an allotrope of carbon.

• Graphite despite being a non-metal has a property of metal that is its lustrous nature.  

• Hence the shine of a newly sharpened pencil is due to the accumulation of graphite and not due to lead metal. Lead is a very toxic metal.  

• Hence lead can't be used in pencils since on contact with skin it may result in diseases like eczema or dermatitis.

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