Use the periodic table to match each of the following element symbols to its name, atomic mass, or atomic number. (3 points) 1.
Se

2.
S

3.
Sn

a.
Tin
b.
78.971 u (atomic mass)
c.
16 (atomic number)

whats the meaning of /

there is none because earth is stationary and flat.

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 : )