I would get a container and weigh it. Then I would put the bouncy balls in the container and weigh it again. Then I would Subtract the weight of the container without the bouncy balls from the container with the bouncy balls.
It’s is a!!!!! Also can I Have Brainlyest please :)
Energy equals mass times the speed of light squared
Mg + Cl2 ---> MgCl2
<span>Which element is reduced?
</span>answer: chlorine (chlorine is going from 0 on -I)