What type of molecules made from nonmetals have a smell

What is the mass of phosphorous in a 51-kg person

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

What is the most common reason for matter changing its state?