Which represents a balanced nuclear equation? 23 Na
•73 Mg +H
11
24 Na
0
→ 24 Mg +
11
e
-1
24
13
7941—> Mg +_e
o 22 Mg — 7 Mg +n

the molecules move in straight line until they collide with each other or with the walls of the container. collisions are perfectly elastic; when two molecules collide, they change their directions and kinetic energies, but the total kinetic energy is conserved.

explanation:

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