29 сент. 2020 г. · Pencil lead is primarily composed of graphite, which is a form of carbon. Graphite is an element, but the pencil core may also include a binder, ... Is a pencil a pure substance? - Quora What is a pencil lead, nonmetal or metal? - Quora What material is used to make pencil leads? Is it true ... - Quora Which element makes up pencil lead charcoal and diamond? Другие результаты с сайта www.quora.com

2 сент. 2018 г. · Pencil lead is a heterogeneous mixture of graphite and clay powders. Before mixing the two substances, they are separately cleaned and dried ...

27 сент. 2018 г. · Pencil lead is a homogeneous mixture. It is composed of graphite and clay in a consistent and uniform distribution. The graphite provides the ...

The pencil “lead” is actually a mixture of graphite and clay. More clay in the mixture makes the lead harder. A harder lead has a higher number.

Pencil lead is a mixture because it is composed of graphite and various binders such as clay.

It's actually a mixture of both clay and graphite. This combination is what gives graphite pencils their pigmented lines as well as their smooth strokes.

Contrary to its name, pencil lead doesn't contain actual lead but is a non-toxic blend of graphite and clay.

4 июн. 2024 г. · Pencil lead is not actually made of lead; it is a mixture of graphite (a form of carbon) and clay. The ratio of graphite to clay determines ...

"Lead" of the pencil is actually a mix of finely ground graphite and clay powders. · Lead pencil is made up of lead metal. · Pencil lead is made up of a non-metal ...