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The physical properties of carbon vary widely with the allotropic form.
Yes they are!even though they are very soft, reactive and not as widely used as much as transition metals eg. in construction they still have other metallic properties, such as metallic bonding.Yes all alkali metals are metals.
An unknown inventor, probably 2 500 years ago, in the ancient Roma. Having been lost for centuries, it was independently discovered again in the late 19th century in Nevada, USA, by Joseph Cartwright. Cartwright and his business partner, Joseph Dixon, commericalized the product by embedding it inside of wooden sticks cut from the numerous pine trees on Cartwright's ranch. The Dixon-Ticonderosa pencil was thus born and sold throughout the western United States, and it remains a strong player in the global pencil industry to this day.
Metaloids are elements that have characteristics of both metals and non-metals.
alkaline earth metals
I did, I used the pencil sharpener and made the pencil sharper.
form_title= Pencil Sharpener form_header= Install a pencil sharpener in your office. Do you want an electronic sharpener?*= () Yes () No Do you want your logo on the sharpener?*= () Yes () No How many sharpeners do you need?*= {1, 2, 3, 4, 5, More than 5}
A tool that is used to sharpen the end of a pencil to make writing with it easier.
waste and recycling
it is still used today by just sharpening it by hand with a plastic sharpener with a metal blade it in and some of them now are electric and can just put the pencil in the hole and it sharpens by using electricity
A hand-held pencil sharpener can be used for sharpening several different tools. In addition to pencils, crayons, eyebrow pencils, and erasers can all be sharpened.
it was used by hand,turning the pencil left or right sharpening the pencil up against the blade inside the plastic or metal border
Nuclear Energy
A pencil sharpener works when the blade touches the pencil when ever it turns, to get sharpened.An electric one has a button that activates the motor of it, that spins a blade that is shaped in a cone so when the pencil enters the machine, the blade will sharpen it to the shape of the blade.
"sacapuntas" literally means "take out points", but is used to describe a pencil sharpener.
The physical properties of carbon vary widely with the allotropic form.
The physical properties of carbon vary widely with the allotropic form.