A substance that is composed of only one type of atom is called a(n)

Shaun was in need of a kidney transplant. What is the most important thing that needs to match between him and the kidney donor? 

Convert cm to m

Convert inches/hr to ft/s

Provide the symbol for the element that has atomic number 4.

Which state of matter has a shape that conforms to its container and is compressible?

A kidney transplant from someone whom is genetically similar to you, but otherwise unrelated would be considered an…

The smallest particle of carbon that can retain the chemical properties of carbon is….

Which ionic compound formula is correct: 

The electrons of an atom