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yes it is waterproof
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∙ 11y ago
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Is pencil magnetic?
No. Also, "pencil lead" is not lead; it is almost always graphite (made of carbon)
Is lead from a lead pencil the same as the element?
yes yes it is
Do all pencil leads erase the same?
the point, I think, is either the amount of different substances in the graphite/lead, or even the type of eraser...
Advantage and disadvantage of pencil?
There are a lot of advantages to pencils. They don't dry up like pens, for one. They're also eraseable and allow for shading. Thinking more abstractly, they are a direct reflection of how much work you've done with them—the shorter the pencil (or the inner lead in a mechanical pencil), the more work you've done. There are disadvantages, too. They are in constant need of maintenence (sharpeners, extra pieces of lead, etc.) and tend to smudge as you run your hands across their markings.
What is the qualitative and quantitative observations of a pencil?
what is a qualitative example of a pencil
Are squishy pencil toppers waterproof?
Yes they are waterproof.
Is it called a lead pen or a lead pencil?
It is called a lead pencil. Despite the name, the "lead" in pencils is actually made of graphite, not lead. Lead pens are typically mechanical pencils that use a lead refill.
Why the term lead pencil incorrect?
The term "lead pencil" is incorrect because pencils actually contain graphite, not lead. The misconception likely arose because early pencils were made with a graphite-and-wax mixture that was mistakenly believed to contain lead. Using the correct term "graphite pencil" helps avoid confusion and accurately describes the writing instrument.
Does pencil lead have coal in it?
No, modern pencil "lead" is actually made of a mixture of graphite and clay, not coal. Graphite is a form of carbon that is a good conductor of electricity and is commonly used in pencils due to its smooth writing properties.
What is the percentage of lead in the lead pencil you are using?
A typical lead pencil does not actually contain lead. The "lead" in a pencil is made of graphite, which is a crystalline form of carbon. Therefore, there is 0% lead in a lead pencil.
Is pencil lead is Pb free?
There is no lead in pencil - Pencil is made from graphite
Is pencil lead solution?
Pencil lead is a compound
Which has the most lead aluminum or pencil lead?
Pencil lead isn't really lead, it is graphite, a form of carbon. Pencil lead doesn't have any lead in it whatsoever.
What is the formula for pencil lead?
The formula for pencil lead is a combination of graphite mixed with clay. The most common type contains graphite and clay in a ratio of approximately 80:20. The clay acts as a binder to hold the graphite together and determine the hardness of the lead.
When was a lead pencil invented?
The lead pencil, which actually contains graphite and not lead, was invented in the 16th century. The modern version with a wooden casing was patented in 1806 by the Frenchman Nicolas-Jacques Conte.
How do they get lead out of pencil?
we get lead of pencil from the mixture of clay and graphite
Is a pencil lead is insulator or conductor?
Pencil lead is a conductor.
