# Answer on Physical Chemistry Question for Iaisha

Question #34469

The radius fo an atom of Kr si about 1.9 A (w/the tiny circle on top of 'A').

(a) How many Kr atoms would have to be lined up to span 1.0mm?

(b) If the atom is assumed to be a sphere, what's the volume in cm^3 of a single Kr atom?

(a) How many Kr atoms would have to be lined up to span 1.0mm?

(b) If the atom is assumed to be a sphere, what's the volume in cm^3 of a single Kr atom?

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