What mass of cobalt contains the same number of atoms as 65.0 g fluorine?

Theoretical temperature at which molecules stop moving and no more heat can be removed from the object. kelvin: absolute zero degrees. none of the above.

Pretty sure it's d. heterogeneous is separated by physical properties. 

As long as you're breathing, you'll be fine : /p. s. if you aren't breathing, you'll pass out. mark as brainliest.