An atom of 130Sn has a mass of 129.913920 amu. Calculate the binding energy per MOLE in kJ. Use the values: mass of 1H atom

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )

the answer your looking for is c).