Answer:
Only kinetic.
Explanation:
Potential energy means it has the potential to move. Not something already in motion.
The number of protons in the element.
Answer:

cubic metre or 1e-9
Explanation:
•By division. Number of cubic millimetre divided(/) by 1000000000, equal(=): Number of cubic metre.
•By multiplication. 83 mm3(s) * 1.0E-9 = 8.3E-8 m3(s)
it would be at least 9.8m/s