What is lithium’s period #

2

Explanation:

If you take a look at a periodic table, you will see the symbol Li in the first column, or group, and in the second row, or period, of the periodic table. Since it is in the first group, you also know that it is an alkali metal. Hope this helps!

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 : )

explanation:

0.07 g/cm³

1.37 g/cm³