I genuinely need help because I do not understand this. Which sample contains a total of 6.0 × 10^23 atoms?

A) 24 g C
B) 78 g K
C) 42 g Kr
D) 23 g Na

the increase of protons   hope this

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 : )