The atomic radius of an element
_ when you move from the
top to the bottom of a family.
o decreases
o increases

Explanation:

increases. because the num of electrons increass

b is the correct

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 : )