Kinetics is the topic generally used to explain
Silicone is most similar to carbon.
hope this helps; and good luck.
If two different elements combine separately with a fixed mass of a third element, the ratio of the masses in which they do so are either the same as or a simple multiple of the ratio of the masses in which they combine with each other.
The answer is 4.
Gases have low densities, because of the increased space between hight-energy particles.
