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Graphite is used as 'lead' in pencils because it is cheap and leaves legible black marks on paper. It can be mixed with clay to provide different grades of hardness in pencils. Diamonds, which are another allotrope of carbon, are very expensive and wouldn't leave legible black marks.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoGraphite is in pencils, and Graphite is made up of Carbon Atoms, the same as Diamond, the only difference is its structure, Diamond has 4 covalent Carbon Bonds, whereas, graphite as 3, and a spare delocalised electron, meaning, graphite forms layers and can be used as a lubricant.
Wiki User
∙ 13y agoNot really, the lead in a pencil is composed of graphite mixed with clay.
While both graphite and diamond are forms of carbon, the bonding in the two allotropes is different, leading to different properties.
Wiki User
∙ 11y agoA pencil lead is made of Graphite,a type of carbon which is a semiconductor. Semiconductors have properties somewhere between an insulator&metal and hence the pencil lead is not a good conductor since it's not entirely a metal. Semiconductors can be made somehow a good conductor by a process called doping.
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A diamond and a pencil are made of what element?
A diamond and a pencil lead (graphite) are both made of carbon. The difference is the crystalline structure of the carbon atoms.
Is pencil lead is Pb free?
There is no lead in pencil - Pencil is made from graphite
What is the formula for pencil lead?
The formula for pencil lead is c3,h2o
What objects can lead be made into?
pencil . The 'lead' in a pencil is actually graphite.
Why is pencil used in chromography?
pencil is use in chromography because the pencil is made from lead
What element is a diamond and pencil lead made out of?
Carbon. Diamond is the crystalline form, while graphite (pencil "lead") is the powdered form.
What is the connection between diamond and a lead pencil?
carbon.
What element is diamond and pencil lead made of?
Carbon
What element is diamond and your pencil lead are made of this?
carbon
Which element is a diamond and your pencil lead graphite made of?
hydrogen
A diamond and a pencil are made of what element?
A diamond and a pencil lead (graphite) are both made of carbon. The difference is the crystalline structure of the carbon atoms.
What element is a diamond and the lead in a pencil?
Carbon. Diamond and graphite (pencil lead) are allotropes of carbon, meaning different atomic arrangements of the same element. They are also both covalent network solids.
A diamond and your pencil lead graphite are made of this same element?
graphite in a pencil and diamond are from carbon .both are the allotrope of carbon
What element is in a pencil and also a diamond?
You're thinking of carbon. Both pencil lead and diamonds are allotropes of carbon.
What element is diamond and your pencil led are made of?
Yes, carbon.supplement. when an element exists in two or more forms, these forms are known as an allotrope. Carbon has three allotropes, graphite, diamond, and ordinary carbon.
Why element makes diamonds and pencil lead?
Carbon constitutes pencil lead, charcoal and diamond. Although they appear different in appearance, they are chemically the same. Diamond is shiny and hard due to the crystalline arrangement of carbon atoms in it. Graphite or pencil lead has such an arrangement, that there are free electrons which make it a conductor of electricity. Elements like this, which are chemically the same but exhibit different physical properties are called allotropes, and the phenomenon is termed as allotropy.
Is it called a lead pen or a lead pencil?
lead pen because a lead pencil is a regular pencil.
