The distance between the centers of the two oxygen atoms in an oxygen molecule is 1.21 x 10^-8 cm. what is this distance in nm?

hloride, what is the mass of calcium in

explanation:

in scientific notation, the value of the  speed of light in a vacuum

  will be written as 2.995 * 10^8. when this value is represented in the form of

  a * 10^b, then, a = 2.995 and b = 8.

the value of the speed of light in a vacuum given above can also be rounded up to approximately 300000000. in this case, the scientific notation will be written as 3 *10^8.

if you mean hydrogen and oxygen then water is the product