An iron atom had an atomic number of 26 and an atomic mass 55.8 may. how many protons does an atom have

14,16 18 reacts with group

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

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