The best conductors are superconductors. So far, superconduction has only been achieved at cryogenic (i.e., extremely cold) temperatures.At normal temperatures, the materials that conduct best are metals.
Yes!
Mass is an extensive property, which depends only on the amount of matter in the sample, not on the composition of the sample.
No.
Yes, leaves are a sample of matter. Matter is anything that has mass and takes up space. Leaves are composed of atoms and molecules, making them a form of matter.
yes
Yes.
Yes.
characteristic property :)
an element
an element
It is a matter of opinion, but you would need to eat a sample of all of them to find out. Research is the great pleasure here
The amount of space that a sample of matter occupies is called its volume. This can be measured in units such as cubic meters, liters, or cubic centimeters depending on the scale of the sample.