D is the correct answer
every other option contains an element
Answer:
The collision theory states that a chemical reaction can only occur between particles when they collide (hit each other).
<em>h</em><em>o</em><em>p</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>e</em><em>l</em><em>p</em><em>s</em><em>~</em>
1.2 x 10^10 mm^3 is equivalent to 12.0 m^3
The chemical makeup found on the periodic table.