A piece of chalk.
an iron nail
Negative
A piece of tape on a rubber balloon acts as a reinforcement so the rubber does not rip when poked by a needle in the tape.
as of stone
Centimetres or millimetres would be used to measure the length and width (diametre) of a piece of chalk as used by a teacher in the school classroom. When I went to school in Liverpool, England - too many years to admit, it was inches and halves, eighth and sixteenth of an inch! Nowadays, it would be the interactive whiteboard and digital displays (we just had white chalk on a blackboard). But, the metric centimetres and millimetres would still be used nowadays.
a chalk piece can be broken easily but not an iron piece because iron has greater intermolecular force of attraction which keeps the particles together . the strength of this force of attraction varies from one kind of matter to another
With every stroke of the chalk piece it leaves some of the chalk on the board. This abrasion of the piece of chalk causes it to wear down. This is similar to why the rubber tyres of cars wear down when they are driven over a road surface.
an iron nail
Yes, there was. A big piece was changed into a number of small pieces.
He wanted a piece of chalk lit
Yes, you can replace pieces of your set that are broken by purchasing another one of the piece that was broken.
Im not sure about the full properties about the dustless chalk, though I do know how it works. It simple. The compounds in the dustless chalk are heavyer more compound, and stick to themselvs easily. Thus when you earase the chalk binds together and falls to the floor rather than float in the air sufficationg you. Dustless chalk also writes better without as many scrath marks in it and easily cleans.
Crushing a piece of chalk is only a physical change. Chemically, it is still chalk.
A piece of chalk is matter because it has mass and occupies space, which is the definition of matter.
You can glue it back on, but don't use rubber cement. Most model glues will work fine and even better is super glue!
what are the volume of piece of chalk
Tailor's chalk is a type of chalk that is designed to make temporary markings on cloth. Using this chalk, a tailor can mark where fabric needs to be cut or garments altered. Once the markings are no longer useful, they can be easily brushed off or washed out, leaving no residue behind.